a wolf in sheep's clothing

US /ə wʊlf ɪn ʃiːps ˈkloʊðɪŋ/
UK /ə wʊlf ɪn ʃiːps ˈkloʊðɪŋ/
"a wolf in sheep's clothing" picture
1.

serigala berbulu domba

a person who appears friendly or harmless but is actually dangerous or malicious

:
Be careful of him; he's a wolf in sheep's clothing.
Berhati-hati dengannya; dia serigala berbulu domba.
The new manager seemed nice at first, but he turned out to be a wolf in sheep's clothing.
Pengurus baru itu pada mulanya kelihatan baik, tetapi dia ternyata serigala berbulu domba.