当你必须做某事时，你可以用must . /必须 .
When you must do something, you can use must . . ./ must . . . ; or have to . . ./ have to . . .e.g.
当你想表达必须做某事的意思时，使用这个词是完全可以被接受的。
When you want to express that something is obligatory then it is perfectly acceptable to employ it.
清楚地，我必须做某事处理我的时间比较好的，因此，我提出了下列的10个主义。
Clearly, I had to do something to manage my time better, so I came up with the following 10 tenets.
仅仅因为我们能去做某事，并不意味着我们必须做，或是我们需要去做。
Just because we're able to do something it doesn't mean we should or that we need to.
因为他们感觉他们必须，但是他们感觉的忿怒将会以长期者口吻做较多的伤害，所以如果你命令某人反对他们的意志做某事，他们可能做它。
If you order someone to do something against their will, they may do it because they feel they must, but the anger they feel will do more harm in the long-term.
记住：尽力做某事，意味着有时候你必须减少做别的事情，这是这项体育令人疯狂的部分。
Remember: To get the most out of ONE thing… you sometimes have to decrease something else.
欢迎大家做某事/所有的人都必须做……
一旦你开始做某事，你就必须做到底。
一个人若下定决心做某事，那么就不能像纸上谈兵那样轻言，必须得坚持下去做这件事，因为态度决定一切。
If a person determined to do something , then they can not as easily as paper. Must persevere in doing this matter, because attitude is everything.
一个人若下定决心做某事，那么就不能像纸上谈兵那样轻言，必须得坚持下去做这件事，因为态度决定一切。
If a person determined to do something , then they can not as easily as paper. Must persevere in doing this matter, because attitude is everything.
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