在线词典煞费苦心煞:委。形容费尽心思。拼音shà fèi kǔ xīn解释煞:委。形容费尽心思。近义词挖空心思、冥思苦想反义词无所用心、掉以轻心英文释义to take a lot of trouble (idiom); painstaking; at the cost of a lot of effort