be about to

be about to or be just about to do something
v. phr.
Be at the verge of starting a certain act of doing something. 刚要做某事；行将做某事。
- Mr. Brown was about to play tennis when it started to rain. 布朗先生刚要去打网球就开始下雨了。

- 英语>简体中文, 美国习语词典

be about to
be on the point of; be ready to 即将；就要
- We were about to leave when you telephoned. 你打电话来时，我们正要动身。

- 英语>简体中文, 英语常用短语词典

be about to
vt. 正要，即将

- 英语>简体中文, 英汉化学大词典

be about to
v.
将要,正打算

- 英语>简体中文, 简明英汉词典