try your luck 试试你的运气
You can run into her and try your luck.
你可以来次偶遇，试试你的运气。

try your hand at sth 做一件从来没有做过的事
I decided to try my hand at swim.
我决定去试试游泳。
He decided to try his hand at cooking and discovered he was good at it.
他决定尝试烹饪，结果发现他很擅长。

Try sth out on sb 问问意见
We tried out the new song on a couple of friends, but they didn't like it.
我们让几个朋友听了这首新歌，但是他们都不喜欢。
I like the idea, but you should try it out on Abby.
我觉得这个注意不错，不过你要去问问Abby的意见。

try for sth 去尝试得到某个东西
Are you going to try for that bank job?
你会去试试那份银行的工作吗？

try表示to attempt
Keep trying and you'll find a job eventually.
再试试，你一定会找到工作的。
You must try to spend less since you have no income now.
你现在没收入，一定要试着省着点花。

Try + patience 让人烦恼让人忧
He's been trying my patience all morning with his constant questions.
他问了我一上午的问题，我的耐心快用完了。（他整个一上午都在用问题来试探我的耐心）

实用小短语
I will try my best 尽我最大的努力
pet phrase 口头禅
actions speak louder than words 行动胜于言语
Practice makes perfect. 熟能生巧
the final say 最终决定权