① in one's best穿著最好的衣服(in one's finest clothes)。
On Children's Day,all the boys and girls are in their best. 在兒童節(jié),所有的男孩和女孩都穿著最好的衣服。
② at(the)best至多,充其量(taking the hopeful view,in the most favorable case)。
At best we can do only half as much as last year. 我們至多只能完成去年的一半任務(wù)。
I can donate one hundred dollars at best. 我充其量只能捐100美元。
③ at one's best最佳狀態(tài),極盛時期(in one's prime)。
Most athletes are at their best during their early manhood. 大多數(shù)運動員在成人初期時達到巔峰狀態(tài)。
The days when she was at her best were gone. 她的極盛時期已成為過去。