Cách sử dụng
The expression "sit down" is used to ask someone to take a seat or to indicate that they should sit. It can be used in many different situations, such as at a meeting, in a classroom, or at a social gathering. The expression is usually polite and can be accompanied by a gesture, such as pointing to a chair or making a motion with your hand to sit. It is important to use this expression respectfully and in appropriate situations, as it can be seen as rude or abrupt in some situations.