如何使用 "tryout" 造句

1. Students to be invited to tryout as universiade guides .
学生被邀请试用作为大运会指南。
2. Will you give me a tryout ?
可以让我去试训吗?
3. Gallop to the beijing accomplishment music fond dream tryout .
奔向北京成就音乐梦想选拔赛。
4. History and social science question tryout .
历史和社会科学题试考。
5. Come on . How can you not love tryout day ?
拜托,你怎么会不喜欢选拔日呢?