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我们帮她两手分开来练，一次又一次，不间断地练了一周。

We worked on it nonstop for a week, drilling each of her hands separately, over and over.

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练击剑的人通常在一个回合结束之后用不拿剑的那只手来握手。

Those who practice the sport of fencing traditionally shake using the non-sworded hand at the conclusion of their bout.

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But Roger Bannister continued to train and work hard, not harder than the rest of the runners, but as hard as the top runners in the world.

但Roger，Bannister坚持苦练，不比别的跑手练得更苦，但和世上别的跑手一样苦练。

哈佛公开课 - 幸福课课程节选