a wolf in sheeps clothing
Definition:  evil people tend to act pleasant and friendly to hide their true nature
Usage:  Arnold looked like a sweet man, but deep down he was really mean; a true definition of a wolf in a sheep’s clothing

SEPEDI
Translation:  phiri ka gare ga letlalo la nku
Proverb: thakadu bošego e swana le kolobe ya lekhwekhwe

XITSONGA
Translation:  hlolwa endzeni ka mpahla ya nyimpfu
Proverb: mhisi yi ambale dzovo ra nyimpfu

TSHIVENḒA
Translation:  ṱarelwa ngomu ha zwiambaro zwa nngu
Proverb: ṱarelwa ḽo fukaho mukumba wa nngu