单词：about to do
刚要；即将
about to do的用法和样例：
例句
- The meeting was coming to a close.会议即将结束。
- It is my painful duty to tell him he is dying.要我把他即将去世的事告诉他，这使我十分为难。
- He came just as the bus was about to leave.汽车刚要开他就赶来了。
- But before he could do anything, his guest spoke.但是当他刚要说话时，客人先开口了。