Taivo A Taiwan Mandarin dictionary

苦心孤詣

kǔxīngūyì

ㄎㄨˇ ㄒㄧㄣ ㄍㄨ ㄧˋ

Simplified 苦心孤诣

  1. 1to make painstaking efforts (idiom); after much trouble
  2. 2to work hard at sth

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