見義勇為

Simplified: 见义勇为

On the HSK 7-9 vocabulary list, at CEFR level C2.

jiànyǒngwéi ㄐㄧㄢˋ ㄧˋ ㄩㄥˇ ㄨㄟˊ

    • (usu. of a passer-by who comes across a critical situation) to step in and help to take brave or selfless action

      idiom, from the Analects

Character by character

Sources