重点讲解：
1. contribute to
（为…）做贡献；
eg. His experience contribute greatly to the success of his novel.
他的经历对他的小说的成功帮助很大。
eg. Proper rest and enough sleep contribute to longevity.
适当的休息和足够的睡眠有益于长寿。
2. motivate sb. to dos th.
激励某人做某事；
eg. Stock options are a good way to motivate employees to work harder.
股票选择权是激励员工更努力工作的好方法。
eg. Your trainer will motivate you to keep with the training program.
你的教练将会激励你坚持完成健身计划。
3. whip sb./sth. into shape
把…训练好；使…符合要求；
eg. The sergeant will whip the soldiers into shape.
警官严格塑造士兵的军人形象。
eg. Few people doubt his ability to whip the economy into shape.
几乎无人怀疑他整顿经济的能力。
4. stay up
深夜不睡；熬夜；
eg. We stayed up yarning until midnight.
我们讲故事一直讲到半夜才睡。
eg. Mary's father will not permit her to stay up late.
玛丽的父亲不允许她熬夜。
