Well, those people, 1.2 million and rising, are struggling with really tough decisions every day – struggling to help people with dementia lead better, fulfilling lives.

好，这些人有120万并且还在攀升，他们每天都在为艰难决定做斗争。 尽力帮助痴呆人过的更好，更充实地生活。

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It looks easy, but it's actually tough on the muscles and can lead to injuries in a hurry.

这看起来简单，但实际上会让肌肉很费力，还可能一下子使肌肉造成损伤。

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The theory was that great nations start out tough-minded and energetic. Toughness and energy lead to wealth and power.

但凡大国，必兴起于坚强的意志和充沛的能量，这两者将为它带来财富和权力。

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Even the stalwart Capitol Hill crime fighters Sarbanes and Oxley would have a tough time confronting hot lead.

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And that's why I've asked Vice President Biden to lead a tough, unprecedented oversight effort, because nobody messes with Joe.

CNN: Obama speech to Congress focuses on economy

It's going to require leadership, and it's going to require a knowledge and an understanding of our glorious past, a willingness to lead on tough issues today and also an understanding of the greatness of America's future if we do the right thing.

CNN: Thompson's October 19, 2007, speech to Value Voters Summit