In short, there are many easy ways of keeping fit.
简而言之，有很多简单的方法来保持健康。
When you were little, making and keeping friends was easy.
你在小的时候，交朋友、保持友谊都是很轻松的事。
Mr Varin has it for now, but keeping it will not be easy.
瓦兰先生现在已经有了，但是继续保持下去可不是件容易的事。
Keeping up with Germany won't be easy.
跟上德国并非易事。
Keeping pets is not easy because you have to take good care of them.
养宠物不是很容易的，因为你必须要好好照顾它们。
But keeping up appearances and proving your ability is no easy task.
但要做到保持体面并证明自身能力并非易事。
照顾宠物是不容易的。
Making New Year's resolutions is easy; keeping them is hard.
许下新年新希望很容易，要坚持就难了。
Well my friends, I must admit keeping good hygiene in space is not easy!
朋友们，我得承认，要在太空中保持卫生真不容易！
Keeping pets is not easy because you have to take good care of them.
养宠物不是很容易的，因为你必须要好好照顾牠们。
Building a family and keeping it harmonious is not easy.
组建一个和谐的家庭并不容易。
Building a family and keeping it harmonious is not easy.
组建一个和谐的家庭并不容易。
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