为什么不努力学习？
为什么不努力做到你的最好呢？
他们当时为什么不努力学英语呢？
你为什么不努力工作呢？
我们为什么不努力找一些英国笔友呢，怎样翻译？
如果你喜欢写作，为什么不努力成为一个作家呢？当你写一些有趣的事情时，时间过得真快，你不觉得你每天都努力工作。
If you like writing, why not try to work as a writer? When you're writing about something interesting, time flies by and you don't feel like you work hard every day.
“我不停地对自己说，‘为什么他们不努力离开这里？’”他后来告诉研究人员。
"I kept saying to myself, 'Why don't they try to get out of here?'" he later told the Observer.
如果上帝真的是一位仁爱的神，为什么祂不努力给这个世界带来和平？
If God really is a loving God, why won't he let efforts to bring peace in the world succeed?
商人看到了躺在沙滩上的渔夫，他很想知道为什么渔夫不努力工作养家糊口，而是在这里钓鱼。
He noticed the fisherman sitting on the beach and decided to find out why this fisherman was fishing instead of working harder to make a living for himself and his family.
商人看到了躺在沙滩上的渔夫，他很想知道为什么渔夫不努力工作养家糊口，而是在这里钓鱼。
He noticed the fisherman sitting on the beach and decided to find out why this fisherman was fishing instead of working harder to make a living for himself and his family.
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