speak too soon

US /spiːk tuː suːn/
UK /spiːk tuː suːn/
"speak too soon" picture
1.

说得太早, 言之过早

to say something that turns out to be wrong very soon after you have said it

:
I thought I had finished all my work, but I guess I spoke too soon.
我以为我完成了所有工作,但我想我说得太早了
The baby finally fell asleep. Oh, wait, I spoke too soon, he's crying again.
宝宝终于睡着了。哦,等等,我说得太早了,他又哭了。