What is interesting about these "my class is such a roller coaster" responses is they tend to only happen with classes that are powerful.

In this paper the predeformed designing method has been proposed, according to it, die holes should be predeformed with the direction opposite to that which tend to happen during extrusion practices.

本文提出预变形模具设计方法，它把模孔形状预先设计成与型材挤压时变形相反的方向，从而获得合格的挤压型材。

And these day dreams don't tend to happen purposefully; they actually happen quite naturally when you don't expect it.

而他们所设想的白日梦往往不会刻意实现，只会在最不经意的时候顺其自然地出现；

They tend to happen because of the air incoming into the storm as well as a little bit of friction, Kyra.

发生这种情况可能是因为气流进入风暴，同时还有少量摩擦。

But there again, history suggests that the most powerful forms of innovation tend to happen when silo busting does occur.

但在这方面，历史经验似乎表明，最有影响力的创新往往诞生于“藩篱”被打破之时。

When you are early for things, even meetings and appointments, magical things tend to happen.

当你凡事抢占先机，哪怕是开会和面谈，神奇的事情就可能发生。

Cases of carbon monoxide poisoning tend to happen when a room is poorly ventilated.

一氧化碳中毒往往发生在通风不良的室内。

This does not tend to happen with non-financial innovation.

非金融创新通常不会出现这种情况。

These things tend to happen every 25 years.

这样的周期每25年出现一次。

Let's just say bad things tend to happen to bad people.

这么说吧恶人总会有恶报

However, people who stick to moral often tend to lose out, and the ones who violate it often get lucky in moral practice.

但是，人们从道德实践中吸取的经验是坚守道德的人往往吃亏，而违反道德的人往往是幸运的。

However, some people who do not get sick easily and claim fear of nothing, tend to lose their lives once getting ill.

而一些平时不太生病，经常自诩什么也不怕的人，一旦生病了反而一病不起，枉送性命。

If you do not get your way, you tend to lose your temper and strike out in a blind rage.

如果事情没有按你的意愿发展，你会情绪失控并去盲目的争取。

S-people tend to lose friends quickly.

爱讥讽人的人往往很快失去了朋友。

Players who do not play much each week tend to lose focus and their "Practice this Week" will be sloppy.

那些每周没有打很多时间比赛的球员，会渐渐失去焦点，且他们每周的训练会很懒散。

When you fall through the trapdoor you tend to lose your belief in capitalist values like hard work and saving.

从活动门跌落之后，你往往会失去对努力工作和攒钱等资本主义价值观的信仰。

A glass of water might be good coz often if you are talking a lot you tend to lose your voice.

不过一杯水还是可以接受的，因为如果你一直讲话，到最后会失声。

We marry our true love and then as time goes by, we tend to lose whom we once are.

我们和最爱的人结婚，光阴似箭，我们慢慢的失去了自己。

SINGING to elderly people with dementia helps them form new memories, one of the first skills they tend to lose.

给老年痴呆症患者唱歌能帮助他们重建记忆力。而记忆力是老年人最容易丧失的功能之一。

You tend to lose touch.

你会逐渐和别人失去联系。

Does he tend to lose?

他常常输吗？