Cách sử dụng
The expression "gain, get, have, etc. the upper hand" means to have an advantage in a situation. Imagine playing a game and you have more points than your opponent, you can say that you have the upper hand. In a conflict, if one person has more power or control, they can be said to have the upper hand. This expression is often used in situations where there is competition or conflict, such as in sports, business, politics or personal relationships.