Bạn dùng cụm từ child's play khi muốn nói một việc gì đó rất dễ.20/08/2014
Everybody knows what a telephone is. Almost everyone has one, but very few people know why it is called telephone. When you understand the meaning behind the words, not only does it help you with the one word, it can help you understand a lot of other words, too.
about to (do something) - to be on the point of doing something - I was about to leave when the phone rang.