not say boo to a goose

US /nɑt seɪ buː tu ə ɡuːs/
UK /nɑt seɪ buː tu ə ɡuːs/
"not say boo to a goose" picture
1.

tidak berani bersuara, sangat pemalu

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.
Dia sangat pemalu, dia tidak akan berani bersuara.
Despite his tough appearance, he wouldn't say boo to a goose in real life.
Walaupun penampilannya garang, dia tidak akan berani bersuara dalam kehidupan sebenar.