看火候

kànhuǒhou ㄎㄢˋ ㄏㄨㄛˇ ˙ㄏㄡ

    • to judge the right moment to act

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
watch the heat of the fire
Meaning
To judge the right moment to act, as a cook judges the heat. Close to "wait for the right moment".

Sources