hot under the collar
US /hɑt ˈʌndər ðə ˈkɑlər/
UK /hɑt ˈʌndər ðə ˈkɑlər/

1.
marah, geram, malu
angry, annoyed, or embarrassed
:
•
He got all hot under the collar when I mentioned his mistake.
Dia menjadi marah besar apabila saya menyebut kesilapannya.
•
Don't get hot under the collar about such a small thing.
Jangan marah besar tentang perkara kecil seperti itu.