kǔ xīn jīng yíng
苦心经营
[painstakingly build up an enterprise,etc.] 煞费苦心,巧作筹划,周密布置安排
◎ 苦心经营 kǔxīn jīngyíng [painstakingly build up an enterprise,etc.] 煞费苦心,巧作筹划,周密布置安排