split second

名词 split second:

1. a very short time (as the time it takes the eye blink or the heart to beat)
   同义词：blink of an eye, flash, heartbeat, instant, jiffy, trice, twinkling, wink, New York minute

1. He backed away and in that split second she slammed the door in his face.
   他往后退，就在这一刹那，她砰地把他关在门外了。
2. The plan depends on, split-second timing.
   这计画要想成功就得分秒不差。
3. It all happened in a split second.
   这一切都是在顷刻间发生的。