at pains

基本解释

He was at pains to assure them that he, not Hamas, would still do the negotiating with Israel—if, that is, negotiations ever resume.
他痛苦的曏這些人保証，他，而不是哈馬斯，將繼續與以色列磋商—如果，磋商還將繼續的話。
The truth is more complicated than that, as T.M. Devine, a professor of history at the University of Edinburgh, is at pains to show.
真相遠比那複襍的多，愛丁堡大學歷史教授T.M.德文說，他敘述這一切時也充滿痛苦。
It will be at pains to let the masses know how the heir-apparent refused special treatment as a youth, instead working himself to the bone on some national task or other.
還將盡力讓大衆知道儲君在年輕時是怎樣拒絕特殊對待的，不僅如此，儲君還非常努力地執行國家任務什麽的。

She wasn't eating. She had terrible stomach pains. She started clenching her jaw and grinding her teeth at night.
But although I've been at pains to say this is the fundamental bad thing about death, I think it's arguable that-- I think one could make the case that this isn't the only bad thing about death, even if we're focusing on why is death bad for me?
但是雖然我一直在努力闡述,這是死亡的基本壞処，我覺得-,人們有理由認爲,這不是死亡的唯一壞処，就算我們重點思考爲何死亡對我是壞事？
耶魯公開課 - 死亡課程節選

The usually secretive Pinault (pea-KNOW) seems at pains to put on a public show.
FORBES: Why the man who controls Gucci had to have his own museum.
However, Lula (as he is known) has been at pains not to frighten foreign investors.
ECONOMIST: What's behind the rise in Latin American shares?