take the words out of someone's mouth
US /teɪk ðə wɜrdz aʊt əv ˈsʌm.wʌnz maʊθ/
UK /teɪk ðə wɜrdz aʊt əv ˈsʌm.wʌnz maʊθ/

1.
把話從某人嘴裡說出來, 說出某人正要說的話
to say exactly what someone else was going to say
:
•
You took the words right out of my mouth! I was just about to suggest that.
你把我的話都說出來了!我正要提議那個。
•
When she mentioned going to the beach, she literally took the words out of my mouth.
當她提到去海灘時,她簡直是把我的話都說出來了。