The vortex frightened the swimmers.

漩涡让游泳者感到害怕。

The lifeguard blew the whistle to alert the swimmers.

救生员吹响了哨子提醒游泳者。

The lifeguard watches over the swimmers at the beach.

救生员在海滩上看护游泳者。

The lifeguard blew his whistle to warn the swimmers.

救生员吹响了哨子警告游泳者。

The swimmers practiced daily to achieve synchro in their routine.

游泳运动员每天练习以在他们的动作中达到同步。

The lifeguard beckon the swimmers to come out of the water.

救生员招手让游泳者上岸。

The lifeguard signaled to the swimmers to come back to shore.

救生员发出信号让游泳者回到岸边。

The lifeguard gave a warning to the swimmers about the strong currents.

救生员给游泳者发出了关于强流的警告。

So I think it's a good idea to get the swimmers to a nearby pool.

所以我觉得把游泳者带到附近的游泳池是个好主意。

The swimmers strained, to reach the shore.

游泳者奋力向岸边游去。