野蛮小可爱
[yĕ mán xiăo kĕ ài]
'野蛮小可爱' means 'a savage little sweetheart'. Here 'savage' has a light meaning like being playful and unreserved, 'sweetheart' is an affectionate way to call someone you adore or a lively person who's charming despite behaving unconventionally.