get to the bottom of

意思

to find out the real cause of something or the truth about it

查明真正的原因或真相.

例句

1. 1The engineer promised to get to the bottom of the strange noise in our boiler.
2. 2We still haven't got to the bottom of why the website crashed on Friday.
3. 3The head teacher is determined to get to the bottom of who broke the window.
4. 4Maria spent a week checking bank statements and finally got to the bottom of the missing money.
5. 5Did the police ever get to the bottom of the break-ins on our street?

文法

只有 get 變化形式：gets、getting、got。of 後面一定要接受詞：名詞或 what/why 子句。