be like a red rag to a bull
US /bi laɪk ə rɛd ræɡ tu ə bʊl/
UK /bi laɪk ə rɛd ræɡ tu ə bʊl/

1.
seperti kain merah bagi banteng, sesuatu yang membuat marah
something that is very likely to make someone angry or upset
:
•
Talking about politics with him is like a red rag to a bull.
Berbicara tentang politik dengannya seperti kain merah bagi banteng.
•
Criticizing her work is like a red rag to a bull; she gets furious instantly.
Mengkritik pekerjaannya seperti kain merah bagi banteng; dia langsung marah.