376　in one's best，at（the）best和at one's best

① in one's best穿着最好的衣服（in one's finest clothes）。

On Children's Day，all the boys and girls are in their best. 在儿童节，所有的男孩和女孩都穿着最好的衣服。

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. 我们至多只能完成去年的一半任务。

I can donate one hundred dollars at best. 我充其量只能捐100美元。

③ at one's best最佳状态，极盛时期（in one's prime）。

Most athletes are at their best during their early manhood. 大多数运动员在成人初期时达到巅峰状态。

The days when she was at her best were gone. 她的极盛时期已成为过去。