Cách sử dụng
The word 'up' can be used to describe things moving or being placed in a higher position. For example, you can say "I am going up the stairs" when you are climbing stairs or "Please lift up the box" when you want someone to raise a box. 'Up' can also be used to describe an improvement or increase, such as "My grades are going up" or "The price of gas has gone up." Additionally, 'up' can be used to indicate completion, such as "I have finished cleaning up the kitchen." In informal conversation, 'up' can also be used to express enthusiasm or excitement, such as saying "I'm really up for going to that concert!"