Taivo A Taiwan Mandarin dictionary

任勞任怨

rènláorènyuàn

ㄖㄣˋ ㄌㄠˊ ㄖㄣˋ ㄩㄢˋ

Simplified 任劳任怨

  1. 1to work hard without complaint (idiom)

Keep 任勞任怨 and it comes back until you know it.

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