Cách sử dụng
The expression "leave a bad/nasty taste in the mouth" is used when something makes you feel disgusted or unhappy after experiencing it. This could be due to a bad experience, a negative interaction with someone, or even a bad memory. For example, if you had a bad experience at a restaurant, you might say that it "left a bad taste in your mouth." This expression is usually used to describe a negative feeling that lingers after an experience, and can be used in a variety of situations.