見義勇為 [ㄐㄧㄢˋ ㄧˋ ㄩㄥˇ ㄨㄟˊ; jian4 yi4 yong3 wei2] to see what is right and act courageously (idiom, from Analects); to stand up bravely for the truth acting heroically in a just cause ◄ ►
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