You don't have to worry about me. I'm a good swimmer
你不用擔心我。我水性很好。
He owed his survival to his strength as a swimmer
他是因為水性好才幸免于難的。
She wants to become an Olympic swimmer
她想成為一名能夠參加奧運會的游泳運動員。
Cross-currents can sweep the strongest swimmer helplessly away.
即使最強壯的游泳者也會無助地被交叉水流沖走。
It surprised them all that she was such a fine swimmer.
她游得這么好，令他們都非常驚訝。