- watch one's step
- watch one's step1. be careful of one's walking or stepping. •
It's slippery here. Watch your step.
2. Fig. to act with care and caution so as not to make a mistake or offend someone. •John had better watch his step with the new boss. He won't put up with his lateness.
•Mary was told by the teacher to watch her step and stop missing classes.
* * *{v. phr.} To mend one's ways; exercise prudence, tact, and care. * /I have to watch my step with the new boss as he is a very proud and sensitive individual./
Dictionary of American idioms. 2013.