苦心经营 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
经 jīng
HSK 2
classic works; pass through
营 yíng
HSK 5
encampment, barracks; manage