under attack

https://tts.langeek.co/read?text=dW5kZXIgYXR0YWNr&hash=c8daa472bd7b478d6f4510066c0afdde0377de04&lang=en&cache-only=0&driver=googletts

The idiom "under the radar" originates from military aviation, referring to flying at an altitude or in a manner that avoids detection by radar systems. The phrase has since evolved into a metaphorical expression, signifying actions or activities that go unnoticed or escape attention, often intentionally. In a broader context, "under the radar" suggests a subtle or inconspicuous approach, allowing someone or something to operate discreetly or avoid scrutiny.

What is the origin of the idiom "under the radar" and when to use it?

under the radar

https://tts.langeek.co/read?text=dW5kZXIgdGhlIHJhZGFy&hash=62c44ddc03c1a3b356c7d066dde9b7397c09804e&lang=en&cache-only=0&driver=googletts

under pressure

https://tts.langeek.co/read?text=dW5kZXIgcHJlc3N1cmU&hash=2b5b753e6e90f286509198a6ac12715d850d5430&lang=en&cache-only=0&driver=googletts

The idiom "under the weather" has origins in the sailing world and dates back to the 18th century. It originated from sailors who would often feel sick or unwell due to rough weather conditions, which could cause them to feel unwell or seasick. The phrase evolved to describe someone who is feeling sick or not in good health. It is used to indicate that someone is feeling unwell or experiencing a mild illness. It suggests a temporary state of physical discomfort or sickness.

What is the origin of the idiom "under the weather" and when to use it?

under the weather

https://tts.langeek.co/read?text=dW5kZXIgdGhlIHdlYXRoZXI&hash=2135ea25139e7593387db1fea29f0c96b409ae39&lang=en&cache-only=0&driver=googletts

under {one's} belt

https://tts.langeek.co/read?text=dW5kZXIgb25lJ3MgYmVsdA&hash=3d6014bd9378835140ab75a66899290c56186d79&lang=en&cache-only=0&driver=googletts

under scrutiny

https://tts.langeek.co/read?text=dW5kZXIgc2NydXRpbnk&hash=5a2029986db641fa3f6a5845629a7415c67bfd18&lang=en&cache-only=0&driver=googletts

under control

https://tts.langeek.co/read?text=dW5kZXIgY29udHJvbA&hash=f829b36cfeba773180099f549ffcd7f57562927b&lang=en&cache-only=0&driver=googletts

underage

https://tts.langeek.co/read?text=dW5kZXJhZ2U&hash=0c6a039c14b1879434242051b811bd376425c299&lang=en&cache-only=0&driver=googletts

backup

https://tts.langeek.co/read?text=YmFja3Vw&hash=8157c483c41620cb77cd2a9d6c38cb0c71022be7&lang=en&cache-only=0&driver=googletts

https://tts.langeek.co/read?text=YnVn&hash=1f7c5460ae81db1dda00240444607ca6e957a063&lang=en&cache-only=0&driver=googletts

A cookie is a small piece of data stored on a user's device by a website to remember information about the user’s activity. Cookies can store things like login details, preferences, or items in a shopping cart. When a user visits the same website again, the cookie helps the site recognize them and provide a more personalized experience. While cookies are useful for improving user experience, they can also be used for tracking and advertising purposes. Users can manage cookies through browser settings, including accepting, rejecting, or deleting them.

What is a "cookie"?

cookie

https://tts.langeek.co/read?text=Y29va2ll&hash=17f9d6e65fe80963b9c2898f8014b05442667e17&lang=en&cache-only=0&driver=googletts

data

https://tts.langeek.co/read?text=ZGF0YQ&hash=efd8e27f30482a74b229848e89e8e7277adee7e1&lang=en&cache-only=0&driver=googletts

firewall

https://tts.langeek.co/read?text=ZmlyZXdhbGw&hash=0f03f98b7472c4a2e9a181729c713c8690144227&lang=en&cache-only=0&driver=googletts

Spam refers to unwanted messages, usually sent in bulk, often for advertising purposes. These messages are typically irrelevant or inappropriate to the recipient and are sent to large numbers of people without their consent. Spam can appear in various forms, such as emails, text messages, or even social media posts. It is often considered a nuisance and can clutter inboxes, leading to a loss of productivity. Many email services have spam filters to automatically detect and move these messages to a separate folder.

What is "spam"?

spam

https://tts.langeek.co/read?text=c3BhbQ&hash=f2434c6458f373d86dbfdabcd4302ee56ef77a06&lang=en&cache-only=0&driver=googletts

spyware

https://tts.langeek.co/read?text=c3B5d2FyZQ&hash=c029d7af7c0718ed348b327dfe4e6dd4836eff17&lang=en&cache-only=0&driver=googletts

trojan

https://tts.langeek.co/read?text=dHJvamFu&hash=63341626b0704b771cb12cdac5c2e66b60f012f8&lang=en&cache-only=0&driver=googletts

to update

https://tts.langeek.co/read?text=dG8gdXBkYXRl&hash=9e9cc77d09b73ae26956e11476f4b1e7515e0598&lang=en&cache-only=0&driver=googletts

virus

https://tts.langeek.co/read?text=dmlydXM&hash=a525a953d543ad40829fcfd0468f9f4f4d061e83&lang=en&cache-only=0&driver=googletts

Here you will find the vocabulary from Unit 9 - 9C in the Insight Upper-Intermediate coursebook, such as "under the radar", "bug", "spam", etc.

Insight Upper-Intermediate "유닛 9 - 9C" 어휘