“悬崖勒马”，汉语成语，意思是在高高的山崖边上勒住马（draw [rein] in one's horse at the edge of a cliff）。比喻到了危险的边缘及时清醒回头（desist from doing something before it is too late），可以翻译为“pull back before it is too late”。
- 现在是你悬崖勒马的时候了。
Now is the time for you to pull back before it is too late. - 犯罪分子应当迷途知返，悬崖勒马，不要在错误的道路上继续走下去。
The criminals should stop on the precipice, retract from the wrong path and not go any further.
