be about to
US /bi əˈbaʊt tuː/
UK /bi əˈbaʊt tuː/
成语
正要, 即将
to be going to do something very soon
示例:
•
I was about to leave when the phone rang.
电话响的时候，我正要离开。
•
The movie is about to start.
电影马上就要开始了。