◆to be on the point of sth正要做某事；刚要做某事时
She looked on the point of tears.她看上去就要哭鼻子了。
As they were on the point of setting out, a light rain began to fall.就在他们准备出发的当口, 天下起了小雨。
He was on the point of saying something when the phone rang.他刚要开口说些什么, 电话响了。