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.