ethical

https://tts.langeek.co/read?text=ZXRoaWNhbA&hash=e3059a63cd99cc329838ba162e0988e5cfbd4dc6&lang=en&cache-only=0&driver=googletts

The idiom "off and on" likely originated from the concept of something being turned on or off non-stop, such as a switch or a light. It conveys the idea of sporadic or irregular occurrences, much like the constant activation and deactivation of a switch. This phrase is commonly used in conversations and written language to express the irregular nature of something, highlighting periods of activity followed by periods of inactivity or absence.

What is the origin of the idiom "off and on" and when to use it?

off and on

https://tts.langeek.co/read?text=b2ZmIGFuZCBvbg&hash=447f195e02cd75195c9520fb6df84e0b117afa56&lang=en&cache-only=0&driver=googletts

take it or leave it

https://tts.langeek.co/read?text=dGFrZSBpdCBvciBsZWF2ZSBpdA&hash=015ae803b78443d89e1ca1a1aca2d324509fa470&lang=en&cache-only=0&driver=googletts

hit-and-miss

https://tts.langeek.co/read?text=aGl0LWFuZC1taXNz&hash=fbec9f6bc0fa8d6760da233b760b9248aee1ffe8&lang=en&cache-only=0&driver=googletts

back and forth

https://tts.langeek.co/read?text=YmFjayBhbmQgZm9ydGg&hash=1c4bc5af29db18de92d1c40b2a30a13713f8d76b&lang=en&cache-only=0&driver=googletts

The origin of the idiom "make or break" is believed to have originated in the world of sports in the 19th century. It is likely that the phrase originally referred to a key moment in a sporting event, where the outcome would determine whether a team or player would win or lose. Over time, the phrase began to be used more widely to describe any situation where the outcome was crucial and would have a significant impact on the future. It is used to describe a situation where something will either lead to success or failure, with nothing in between.

What is the origin of the idiom "make or break" and when to use it?

to [make] or [break]

https://tts.langeek.co/read?text=dG8gbWFrZSBvciBicmVhaw&hash=75ac80acf7851d8b43e8b72a5bdcda24a43d766a&lang=en&cache-only=0&driver=googletts

each and every

https://tts.langeek.co/read?text=ZWFjaCBhbmQgZXZlcnk&hash=82a1ba7e64299830c691bde1c4f4824b3359b1e0&lang=en&cache-only=0&driver=googletts

The idiom "part and parcel" originated from the concept of something being an integral and inseparable component of a whole. It emphasizes the idea that certain elements or aspects are essential and cannot be separated from the overall entity. This phrase is used to suggest that the mentioned component is both an indivisible part and an inherent aspect of the entirety.

What is the origin of the idiom "part and parcel" and when to use it?

part and parcel

https://tts.langeek.co/read?text=cGFydCBhbmQgcGFyY2Vs&hash=8042f05963fde5585e1a7ad0fe8be34bcda6a9a8&lang=en&cache-only=0&driver=googletts

time after time

https://tts.langeek.co/read?text=dGltZSBhZnRlciB0aW1l&hash=6498f2927034dc3c6adbb5d3fa8433465862edb8&lang=en&cache-only=0&driver=googletts

to leaps and bounds

https://tts.langeek.co/read?text=dG8gbGVhcHMgYW5kIGJvdW5kcw&hash=e5f00253e081025d874cb662b5aa64a4c39b29b8&lang=en&cache-only=0&driver=googletts

over and over (again|)

https://tts.langeek.co/read?text=b3ZlciBhbmQgb3ZlciBhZ2Fpbg&hash=e111f16a3e9a648709461d1aa68d47c17cb3a26e&lang=en&cache-only=0&driver=googletts

Here, you will find the vocabulary from Unit 6 - 6B in the Face2Face Advanced coursebook, such as "on and off," "ethical," "back and forth," etc.

Face2Face 高级 "第6单元 - 6B" 词汇