近义词：
煞费苦心、挖空心思、用尽心思、处心积虑、呕心沥血
| 煞费苦心 | 煞费苦心 shàfèi-kǔxīn [pains-taking;take a lot of troubles;take great pains;with much ado] 费尽心思 为达到细微末节的逼真和精确而煞费苦心 然而,现在的谜,却使她煞费苦心,难猜难解。——《党员登记表》 |
| 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
费尽心血词典解释