Guests on the snorkeling tour can dive from the boat once the guide gives the signal.

參加浮潛行程的旅客，在導遊發出信號後就可以從船上跳水。

The hotel manager posted signs reminding guests not to dive into the shallow pool.

飯店經理張貼告示，提醒房客不要跳進淺水池。

Applicants for the lifeguard position must be able to dive and swim fifty meters.

應徵救生員職位的人必須會跳水，並能游五十公尺。