Kinetic energy is stored in the hammer as it is swung, and suddenly released to the nail and board when the hammer strikes the nail.

当锤子摆动时势能就储存在锤子中，而当锤子敲向钉子时，储存于锤子中的能量就突然向钉子和木板释放。

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Each day you hammer a nail, place a board or erect a wall. Build wisely. It is the only life you will ever build.

每天你都会钉个钉子，放块木板或砌一面墙。明智地营造你的房子。这是你唯一可以营造的生活。

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Think of yourself as the carpenter. Tjink about your house. Each day you hammer a nail, place a board, or erect a wall. Build wisely.

把你自己当成那个木匠。想想你的房子。每天你都会钉个钉子，放块模板或砌一面墙。明智地建造你的房子。

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Gloucester fly-half Lamb, who had replaced the unfortunate Paterson as kicker, did land a penalty to get the hosts on the board as the rain started to hammer down.

BBC: Gloucester 3-16 Munster

Dr. Hammer and his team spring into action, pulling the shark on board with a traffic-cone orange gurney.

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Three famous names of Indian cricket - Sunil Gavaskar, Ravi Shastri and S Venkatraghavan, along with the board president and two others, were there in the meeting to hammer out a solution to the crisis.

BBC: Chappell (AFP/Getty) and Ganguly (AP)