不是好吃的果子

bùshìhǎochīdeguǒzi ㄅㄨˋ ㄕˋ ㄏㄠˇ ㄔ ˙ㄉㄜ ㄍㄨㄛˇ ˙ㄗ

    • tough customer
    • person or matter not to be trifled with

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
not a tasty fruit to eat
Meaning
Describes a person or matter that is tough to deal with. Often a warning: "not to be trifled with".

Sources