Cách sử dụng
The word 'onlooker' is used to describe someone who is watching something without being involved in it. For example, if you are standing outside a building watching a fire, you are an onlooker. The word can also be used in other situations where someone is watching something without participating in it, such as watching a fight or someone performing a task. It's a useful word to describe someone who is observing from a distance.