Cách sử dụng
The phrase "all of a sudden" is used when something happens unexpectedly and quickly, without any warning. It's often used in conversation to describe a sudden change or unexpected event that took place. For example, "I was driving down the road and all of a sudden, a deer jumped out in front of me." In this sentence, "all of a sudden" is used to indicate that the appearance of the deer was unexpected and happened quickly.