tipman

例句：

1. 1. The tipman was the first to notice the problem.
   提示者是第一个注意到这个问题的人。
2. 2. The tipman provided valuable information that helped solve the mystery.
   提示者提供了有价值的信息，帮助解决了这个谜团。
3. 3. The tipman was a trusted source of information for the team.
   提示者是团队信赖的信息来源。