not say boo to a goose
US /nɑt seɪ buː tu ə ɡuːs/
UK /nɑt seɪ buː tu ə ɡuːs/
1.
誰にも何も言えない, 非常に臆病である
to be very shy and quiet, and unable to speak to people you do not know
:
•
She's so timid, she wouldn't say boo to a goose.
彼女はとても臆病で、誰にも何も言えないだろう。
•
Despite his tough appearance, he wouldn't say boo to a goose in real life.
彼の強面な見た目とは裏腹に、実生活では誰にも何も言えないだろう。