Cách sử dụng
"Straighten up" is a phrase that means to tidy or organize something. For example, if your room is messy and you need to put everything in its proper place and make it look neat, you would "straighten up" your room. Additionally, "straighten up" can also mean to stand up straight and fix your posture. For instance, if someone is slouching or hunching over, they can be told to "straighten up" to improve their posture.