苦心经营 Traditional 苦心經營 kǔ xīn jīng yíng 🔊 to build up an enterprise through… + Keep this word Meanings kǔ xīn jīng yíng 苦心經營 to build up an enterprise through painstaking efforts Its characters 苦kǔbitterHSK 4心xīnheartHSK 4经jīngclassicsHSK 7–9营yíngcamp