get to the bottom of

意味

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

物事の本当の原因や真相を突き止める.

例文

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

変化するのは get だけで、gets、getting、got となる。of の後には必ず目的語が続く（名詞、または what/why で始まる節）。