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词汇
be at pains to
释义
be at pains to
基本
例句
adj.
煞费苦心下苦功
用作形容词
He was taking great pains to solve the problem.
他正煞费苦心解决这个问题。
She took great pains in educating her children.
她煞费苦心教育她的子女。
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更新时间:2026/7/14 6:13:47