释义：

try one's best 使出全力

try 后面可以接特定的名词，形成短语。除 try one's best 之外还有 try one's luck，表示“碰碰运气”， try one's patience 表示“考验某人的耐心”。

例句：

I'm trying my best. You can trust me.
我正在拼尽全力。你可以相信我。
I will try my luck.
我可以碰碰运气。（不管行不行）
She went back to the casino to try her luck again.
她回到了赌场，打算再碰碰运气。
You've trying my patience.
你正在挑战我的耐心。

对话：

A: My son is not very good at sports.
我儿子不大擅长体育运动。
B: Tell him to try his best when he is on a team.
告诉他，在一个团队里要使出自己的全力。