to adhere to

https://tts.langeek.co/read?text=dG8gYWRoZXJlIHRv&hash=d8b97616bd8f1c573cbc89a6e4793845b738e0bc&lang=en&cache-only=0&driver=googletts

to comply

https://tts.langeek.co/read?text=dG8gY29tcGx5&hash=e55d49e6863204ba8fae31a031772114f4fc6ec8&lang=en&cache-only=0&driver=googletts

to consent

https://tts.langeek.co/read?text=dG8gY29uc2VudA&hash=9e8f6f828de9afd3bb07a1db1dc8895e003940f1&lang=en&cache-only=0&driver=googletts

to defy

https://tts.langeek.co/read?text=dG8gZGVmeQ&hash=1773a21d46cb5035fde98886bd19ffcb5bda2606&lang=en&cache-only=0&driver=googletts

to observe

https://tts.langeek.co/read?text=dG8gb2JzZXJ2ZQ&hash=ba1d65680896c1e55fc241dd12fa16002e6edb32&lang=en&cache-only=0&driver=googletts

compelling

https://tts.langeek.co/read?text=Y29tcGVsbGluZw&hash=d61a2028a2d6dd43a350bb3102898ea964bce6f6&lang=en&cache-only=0&driver=googletts

legitimate

https://tts.langeek.co/read?text=bGVnaXRpbWF0ZQ&hash=a612eb35fd01cfbf4cb46d3ad21476f5c7482f15&lang=en&cache-only=0&driver=googletts

liberal

https://tts.langeek.co/read?text=bGliZXJhbA&hash=2a6c7de1dbb77fcb52950fe449d6ccd9c46f9377&lang=en&cache-only=0&driver=googletts

obligatory

https://tts.langeek.co/read?text=b2JsaWdhdG9yeQ&hash=f7592792db2b95201565674cdfce5e83a3740ed1&lang=en&cache-only=0&driver=googletts

to [be|feel] obliged {to do sth}

https://tts.langeek.co/read?text=dG8gYmUgb2JsaWdlZCB0byBkbyBzdGg&hash=edc28eb7147402998e63a9dac8ea1c3d41de99d8&lang=en&cache-only=0&driver=googletts

The idiom "out of the question" is used to convey that something is not even a possibility, is completely unfeasible, or is definitively not allowed or considered. Its origin is not precisely documented, but it's a common expression used to emphasize that a particular idea, plan, or action is ruled out from the start, without any chance of happening.

What is the origin of the idiom "out of the question" and when to use it?

out of the question

https://tts.langeek.co/read?text=b3V0IG9mIHRoZSBxdWVzdGlvbg&hash=6f5baba7d36a1d0e5a865ad2fe4a1364c36b9193&lang=en&cache-only=0&driver=googletts

restricted

https://tts.langeek.co/read?text=cmVzdHJpY3RlZA&hash=080c156ceeb5ab5dc053c012815df81cc30e7f52&lang=en&cache-only=0&driver=googletts

rigorous

https://tts.langeek.co/read?text=cmlnb3JvdXM&hash=46e085ec46f5fe1c78a6e4a33af7de9bbcd0ffeb&lang=en&cache-only=0&driver=googletts

stern

https://tts.langeek.co/read?text=c3Rlcm4&hash=8f26187e9241712ec0d52f5d894855091b235cfc&lang=en&cache-only=0&driver=googletts

leniently

https://tts.langeek.co/read?text=bGVuaWVudGx5&hash=43f71dd4db24b8f7979e59b5d4d64f99cb6af934&lang=en&cache-only=0&driver=googletts

allowance

https://tts.langeek.co/read?text=YWxsb3dhbmNl&hash=78f5ccd254049067e442472a7d709c4e42101d0c&lang=en&cache-only=0&driver=googletts

application

https://tts.langeek.co/read?text=YXBwbGljYXRpb24&hash=bc6d1d088756ada00ccb4f239e9db2a9102e7c29&lang=en&cache-only=0&driver=googletts

clearance

https://tts.langeek.co/read?text=Y2xlYXJhbmNl&hash=f959dc07d8629fc668ee69f0d37ff6f5f9716fc6&lang=en&cache-only=0&driver=googletts&accent=US

enforcement

https://tts.langeek.co/read?text=ZW5mb3JjZW1lbnQ&hash=3954932dc27d6b4da715ab4da2bde2fb6cb1b039&lang=en&cache-only=0&driver=googletts

leave

https://tts.langeek.co/read?text=bGVhdmU&hash=6f01beccf722e5d966715adb2397f0dc633e70cc&lang=en&cache-only=0&driver=googletts

The origin of the idiom "green light" can be traced back to the early 20th century, specifically to the traffic signal system. The use of red, yellow, and green lights in traffic signals was introduced to regulate and control vehicular movement. The green light, being the third and final signal in the sequence, indicated that it was safe for drivers to proceed. This phrase is frequently used in business settings, project management, decision-making processes, and personal endeavors.

What is the origin of the idiom "green light" and when to use it?

green light

https://tts.langeek.co/read?text=Z3JlZW4gbGlnaHQ&hash=4ce7bc98ea3925023eea9d86e7f29543e8cf9190&lang=en&cache-only=0&driver=googletts

must

https://tts.langeek.co/read?text=bXVzdA&hash=c475176f433524ac81e217b9533e891ae542686a&lang=en&cache-only=0&driver=googletts&accent=US

obedience

https://tts.langeek.co/read?text=b2JlZGllbmNl&hash=e31851a8eacbadf3b096f3f24399c8725b439cff&lang=en&cache-only=0&driver=googletts

rejection

https://tts.langeek.co/read?text=cmVqZWN0aW9u&hash=57c1770b2b4294bd4588be05e0a6578d94918fb5&lang=en&cache-only=0&driver=googletts

say-so

https://tts.langeek.co/read?text=c2F5LXNv&hash=69069801f89707e9be93fb5aff42143145366361&lang=en&cache-only=0&driver=googletts&accent=US

The origin of the idiom "dos and don'ts" can be traced back to the early 20th century, where it emerged as a concise way to express a set of guidelines or rules. The phrase is derived from the use of "dos" and "don'ts" as shorthand for "things to do" and "things not to do." It is commonly employed in areas such as etiquette, safety protocols, job training, educational settings, and general life advice.

What is the origin of the idiom "dos and don'ts" and when to use it?

dos and don'ts

https://tts.langeek.co/read?text=ZG9zIGFuZCBkb24ndHM&hash=96a8865bd052dbf45817b8c038f711847dce5c3e&lang=en&cache-only=0&driver=googletts

in accordance with

https://tts.langeek.co/read?text=aW4gYWNjb3JkYW5jZSB3aXRo&hash=e0dd9b40375c8ad8445e58144f76fb1abd1046d3&lang=en&cache-only=0&driver=googletts

The origin of the idiom "by the book" draws from the idea of following instructions or guidelines found in a book or manual, which can be traced back to ancient times. This phrase may have gained prominence during the 19th century, as the use of written rules and regulations became more widespread in various fields. It is commonly used in discussions related to law, regulations, policies, and professional practices.

What is the origin of the idiom "by the book" and when to use it?

by the book

https://tts.langeek.co/read?text=YnkgdGhlIGJvb2s&hash=ff93bd34cfed46d5d9f092d8e8d43f61acbb3f82&lang=en&cache-only=0&driver=googletts

to [feel] free {to do sth}

https://tts.langeek.co/read?text=dG8gZmVlbCBmcmVlIHRvIGRvIHN0aA&hash=b1ee206bf20b9b92b518e6c18bfc9bbcd5ac63b6&lang=en&cache-only=0&driver=googletts

to [play] by {one's} own rules

https://tts.langeek.co/read?text=dG8gcGxheSBieSBvbmUncyBvd24gcnVsZXM&hash=c28d91ab2bcf87b3596cbcedb3ee6614a5b7b3d3&lang=en&cache-only=0&driver=googletts

to conform

https://tts.langeek.co/read?text=dG8gY29uZm9ybQ&hash=1fd49c236bef8d52f463e6164beb83f021a5f662&lang=en&cache-only=0&driver=googletts

non-compliant

https://tts.langeek.co/read?text=bm9uLWNvbXBsaWFudA&hash=612bf561d1c891cdb7796b85500ab58d8dafb202&lang=en&cache-only=0&driver=googletts

to commit

https://tts.langeek.co/read?text=dG8gY29tbWl0&hash=8830667ca58b8ac1da7e23443b4ff9cff87aa116&lang=en&cache-only=0&driver=googletts

conservative

https://tts.langeek.co/read?text=Y29uc2VydmF0aXZl&hash=a399c594a5abe41c8803072b5ed07a7baa63c864&lang=en&cache-only=0&driver=googletts

Here you will learn some English words about permission or obligation, such as "comply", "observe", "liberal", etc. prepared for C1 learners.

“许可或义务”的英语单词 | C1词汇