煞费苦心

Pinyin: shà fèi kǔ xīn Usage: 动宾式；作谓语、状语；形容思索之苦 Explanation: 煞：委。形容费尽心思。 Source: 清·李宝嘉《中国现在记》：“办河工难除积弊，做清官煞费苦心。” Example: 他～编造的谎言被人当场揭穿了。 Postscript: 干鱼肚里寻胆 Thesaurus:  deliberately planning, work hard and carefully to keep one's business going, elaboration, painstaking accomplishment, rack one's brains, Deep thinking, make extraordinarily painstaking efforts, lucubrate, Bruising, cudgel one's `brains think very hard, Of peaceful contemplation search for, make painstaking efforts, think twice about doing sth., Puzzle, to manage with great pain Antonym Group:  Lver Caogu, regard … as a trifling matter