Cách sử dụng
The expression "under the weather" means that someone is feeling sick or unwell. It can be used in different situations when someone is not feeling their best. For example, if your friend is not feeling well and has a headache and a fever, you can say "I heard you're under the weather, are you feeling any better?" or "Don't worry about meeting me today if you're feeling under the weather, take some rest." It's a common expression that people use to express their concern or to explain why they may not be feeling very energetic or cheerful.