1. at one's best
在最出色的状态下; (演员)达到个人最高水平; (花等)在盛开期，某人全盛时期
Miss Blockey was at her best when she played the piano
布洛基小姐弹钢琴的时候发挥了她的最好水平。
This was Henman at his best.
这是亨曼的最佳表现。
If Bob is at his best, we'll be able to win the most difficult game of our run-in.
只要鲍勃处于最佳状态，我们就能拿下最艰难的一场预赛。
His food exemplifies Italian cooking at its best.
他的菜肴代表了意大利烹饪的最高峰。
Howards End is old fashioned film-making at its best.
《霍华德庄园》是一部经典的老派电影。
This is vintage comedy at its best.
这是这类喜剧中的代表性作品。
The flowers are at their best.
这些花正值盛开的季节。
The photographer tried hard to show the bride at her best .
这张照片尽力地在去呈现新娘的最佳状态。
I'm not at my best when I'm tired.
当我我累的时候，就不是巅峰状态
2. at one’s worst应该具有上个词组的相反意义，另外还有：某人情绪最坏之时；最糟糕的时刻，表现最差的时候
This was their mother at her worst. Her voice was strident, she was ready to be angry at anyone.
这是他们的母亲情绪最坏之时，她说话咄咄逼人，随时会对任何人发火。
But at least when you're at your worst You know how to feel things.
但至少当你在你最糟糕的时刻，你知道如何去感知。
The weather was at its worst; bitterly cold, with leaden skies that gave minimum visibility.
天气极其恶劣。寒风凛冽，天色晦暗，能见度极低。
He was always optimistic, even when things were at their worst.
他即使在情况最糟糕的时候也总是很乐观。
If you don't love me at my worst, then you don't deserve me at my best.
如果你不爱我最糟的一面，那你也不配拥有我最好的一面。
“But If you can’t handle me at my worst, then you sure as hell don't deserve me at my best.
但如果你无法应付我最糟的一面，那你当然也不配拥有我最好的一面。玛丽莲梦露原话。
单词积累
run-in [ˈrʌn ɪn]
n.争论;争吵;冲突；赛前期;预赛;热身赛
exemplify [ɪɡˈzemplɪfaɪ]
vt.举例说明;例证;例示;是…的典型(或典范、榜样)
vintage [ˈvɪntɪdʒ]
n.特定年份(或地方)酿制的酒;酿造年份;采摘葡萄酿酒的期间(或季节);葡萄收获期(或季节)
adj.(指葡萄酒)优质的，上等的，佳酿的;古色古香的(指1917–1930年间制造，车型和品味受人青睐的);(过去某个时期)典型的，优质的;(某人的)最佳作品的;成绩卓著的一年
comedy [ˈkɑːmədi] n.喜剧片;喜剧;滑稽;幽默;诙谐
bitterly [ˈbɪtərli]
adv.苦涩地;非常;伤心地;愤怒地;极其;非常寒冷的;严寒
leaden 美 [ˈledn]
adj.铅灰色的;沉闷的;阴郁的;迟钝的;呆滞的
minimum [ˈmɪnɪməm]
n.最低限度;最小值;最少量;极小量
adj.最小的;最低的;最低限度的
visibility [ˌvɪzəˈbɪləti]
n.可见度;能见度;能见距离;可见性;明显性
deserve [dɪˈzɜːrv] v.值得;应得;应受
hell [hel]
n.地狱;苦难的经历;悲惨的境况;(有人认为含冒犯意)该死，见鬼
vi.过放荡生活;（车辆）急驰;飞驰