近义词：
费尽心血、挖空心思、用尽心思、处心积虑、呕心沥血
| 费尽心血 | |
| 挖空心思 | 挖空心思 wākōng-xīnsi [rack one’s brains;cudgel one's brains;think hard] 煞费苦心,设计谋划 挖空心思,投机钻营 |
| 用尽心思 | |
| 处心积虑 | 处心积虑 chǔxīn-jīlǜ [deliberately planning;incessantlyscheme;rack one's brains about with;set one's heart mind on] 心里计划思考已久(多含贬义) |
| 呕心沥血 | 呕心沥血 ǒuxīn-lìxuè [make painstaking efforts;shed one's heart's blood;work one’s heart out] 耗尽心血 |
反义词：
暂无
煞费苦心词典解释 (详细解释)