have a crack at

• 试一试；(在某件事上)试试自己的能力

have a crack at的用法和样例：

例句

1. Have another crack at solving this puzzle.
   再试一试把这个难题解决了吧。
2. You should have a try, don't swallow anybody.
   不要轻信任何人，你得亲自去试一试。