To be careful or cautious; to pay attention to what one is doing (usually imperative).
keep a close watch
to pay careful attention to a situation or a thing, so that you can de …
inch forward
To move forward in a very slow, cautious, and careful way.
watch one's step
To be cautious.
watch the world go by
To pause and remain still whilst doing nothing but surveying the envir …
watch one's mouth
To be careful about what one says, especially with regard to disrespec …
keep an eye on
To watch and pay attention to, in case of misbehaviour or mishap.