in one's best

基本解释

Do not leave any chance in doing one's best, maybe the most hopeless person will be successful any time.
不要放弃任何机会，竭尽全力，也许哪一天最没有希望的人也能成功。
blog.sina.com.cn
Therefore one must be careful, and assess any new encounter as to whether such a relationship is really in one's best interest as an ascending human.
因此你必须小心，并对任何新的相遇者作出评估，看看这样一份关系是否是你作为一个提升者而真正最感兴趣的。
cqly186.blog.163.com
In one of Jones's best trades, he got an entry signal.
在琼斯的一笔最好的交易中，他看见了进场信号。

One newspaper in Calhoun's state of South Carolina said: "The senator's death is best for the country and his own honor.
Even though these best responses are pretty complicated it turns out that there's only one Nash Equilibrium in this game.
虽然最佳对策是很复杂的,在这个博弈中却只有一个纳什均衡
耶鲁公开课 - 博弈论课程节选
I think it's one of the best movies I've seen in the past ten years.
我觉得这是我十年来看过的最好的电影之一。
have to 实战 - SpeakingMax英语口语达人

Claude Rains elegantly hid out there in one of Alfred Hitchcock's best films.
ECONOMIST: Why this indulgence for a convicted killer?