bù dào huǒ hòu bù jiē guō
don't act until the time is ripe (idiom)
不
bù
no; not so
到
dào
to reach; to arrive
火
huǒ
fire
候
hòu
to wait
揭
jiē
to take the lid off
锅
guō
pot; pan; wok; cauldron