once bitten twice shy
Definition:  when you had a bad experience when doing something and will not do it again
Usage:  I am no longer going to buy things online, I tried it and I was scammed; once bitten twice shy, I guess

SEPEDI
Translation:  wa longwa gatee la bobedi o ba le dihlong
Proverb: ge o ka longwa ke selwanaseswana, o re go bona pilo wa tšhaba

XITSONGA
Translation:  u lumiwa ro sungula ra vumbirhi wa nyuma
Proverb: maxindyana a xi khani kambirhi

TSHIVENḒA
Translation:  luṅwa luthihi shona luvhili
Proverb: tshiṱaka tshe wa vhona ṋowa, u ḓi ri i tshee ngomu