kill time | kill an hour, a couple of hours, etc.成語所屬單字hourkill time | kill an hour, a couple of hours, etc.kill time | kill an hour, a couple of hours, etc. — 慣用語慣用語1. To spend time doing unimportant things while waiting for something.1.慣用語釋義打發時間To spend time doing unimportant things while waiting for something.例句Diego killed time by reading a magazine at the airport.We killed a couple of hours playing video games before the movie.