意思为：“试一下”“试一试”“尝试”“努力”，固定短语。

Have Desperate A Try 有拼死一试Just Have A Try 那么就试一下 ; 来试一试and have a try 试试看例句：

1、It seems three good methods, I will have a try.貌似不错的三种方法，改天我尝试下。

2、Everyone was astonished, but nobody dared to have a try.开始，大家听到这个消息都很吃惊，但没人敢试。

have a try是试一试的意思，用法可以直接做一句话或做短语用。

Have a try. Just build Blue Lightning as you've designed.

"试试看。按照你的设计建造蓝色闪电。"