One hundred percent commitment to your studies, though it can be lonely and no fun at all, will leave precious marks on your youth.

百分百投入到学习中去，尽管会既孤独又无趣，但这会在你的青春里留下宝贵的印记。

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But soon the rope had no challenge to him. Just jumping up and down was no fun at all.

但是很快跳绳和跑楼梯对他没有挑战和乐趣了。

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"Most of the time, I don't have very much fun, and the rest of the time I have no fun at all," quipped director Woody Allen.

“大多数时候，我没有多开心，其余时间我毫无乐趣可言。”导演伍迪·艾伦风趣地说。

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"Just insisting on rules and regulations is no fun at all and can put a lot of children off learning all together".

BBC: News | UK POLITICS | Going to school

The movie is lush, enraptured, and almost no fun at all.

NEWYORKER: Exotica

Yet "Olympus Has Fallen" is no fun at all.

WSJ: 'Olympus': Upping The Idiocy in D.C. | 'Olympus Has Fallen' | 'The Sapphires' | 'Starbuck' | 'From Up on Poppy Hill' | 'Admission' | 'Training Day' | 'Spirited Away' | 'Clueless' | By Joe Morgenstern