我试一下 英语

let me try.这个说法比较主动。
i will have a try。比较被动一点，没有第一个那么有信心~

let me try

let me have a try

I will try

up to me

let me try
let me have a try

i will try it！

这样都可以的

I will try.
I will have a try.

Let me try.

I will try it.