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.
Hati-hati padanya; dia serigala berbulu domba.
The new manager seemed nice at first, but he turned out to be a wolf in sheep's clothing.
Manajer baru itu awalnya tampak baik, tetapi ternyata dia serigala berbulu domba.