have cudgeled one´s brains for all one´s pains have expended much care and thought on sth have given much thought to sth
Over the past two years, as the captain Azinger can be well - intentioned.
两年来, 作为队长的阿辛格可谓是用心良苦。
—— 给力词典精选Student B: They paid a lot of attention to this indeed.
学生乙: 他们真是用心良苦!
—— 给力词典精选This diligent group includes Chile , which has run bigger current - account surpluses than Brazil, and Peru.
这个用心良苦的集团包括了秘鲁, 以及比巴西经常账户盈余还要多的智利。
—— 给力词典精选As I listen to them, I can visualize their parents, striving to teach excellence.
当我听着他们, 我似乎能看到他们为了教育好他们用心良苦的父母。
—— 给力词典精选Others are preoccupied with not getting caught , or thinking of ways to catch someone else.
这位同伴可能是个用心良苦的母亲, 也可能是个不怀好意的孩子。
—— 给力词典精选