Monica Seles had more mental strength than anybody I played.

莫妮卡·塞莱斯比我扮演的任何人都更有精神力量。

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'It's my mental strength that's been important. I've stayed even keel.

重要的是我的精神力量，我已经学会保持情绪稳定。

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These are good color choices, promoting mental strength and health.

这些都是不错的颜色选择，提高精力和心智健康。

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Vilane says he makes up for his small stature with mental strength and courage.

CNN: STORY HIGHLIGHTS

Though I'm beginning to think the contest is as much about mental strength as physical ability.

BBC: man Robin Chipperfield on Froch-watch

After five days, I had no mental strength left so I gave up and confessed.

BBC: Japan crime: Why do innocent people confess?