苦心經營 kǔ xīn jīng yíng

DEFINITIONS

  1. to build up an enterprise through painstaking efforts

CHARACTERS

苦 kǔ
HSK 4
bitter; hardship, suffering
心 xīn
HSK 3
heart; mind, intelligence; soul
經 jīng classic works; pass through
營 yíng encampment, barracks; manage