like waving a red flag in front of a bull
成語所屬單字bull
like waving a red flag in front of a bull — 慣用語
1. Something that is certain to make someone very angry.
1.慣用語
釋義
激怒人的事物
Something that is certain to make someone very angry.
例句
Mentioning his ex-wife to him is like waving a red flag in front of a bull.
Bringing up politics at dinner was like waving a red flag in front of a bull.