every rose has its thorn
Definition:  in life - no one is perfect
Usage:  she always laughs when her neighbors fight every night; it shows that she does not know that every rose has its thorn, one day that might happen to her

SEPEDI
Translation:  rosa ye nngwe le ye nngwe e na le mootlwa wa yona
Proverb: mepipi ka moka e a na

XITSONGA
Translation:  xiluva (xa rozi) xin’wana na xin’wana xi na mitwa ya xona
Proverb: mbhuri yin’wana na yin’wana na marhengwe

TSHIVENḒA
Translation:  dzuvha ḽiṅwe na ḽiṅwe ḽi na mupfa waḽo
Proverb: nyamuvhuya ha shai thando, a sa vha mbava ndi muloi