not say boo to a goose
成語所屬單字goose
not say boo to a goose — 慣用語
1. To be very shy, timid, or gentle.
1.慣用語
釋義
非常害羞
To be very shy, timid, or gentle.
例句
Maya is so quiet she wouldn't say boo to a goose.
Despite his size, he wouldn't say boo to a goose.