They show how often something happens or how often you do something.

它们表示的是某事发生的频率或做某事的频率。

So how often do you listen to music?

听音乐的频率是怎样的？

How often do flight attendants work?

空服员工作的时数有高？

Do you want to guess how often?

想猜猜变了少次吗？

How often do you clean this thing?

时间清一次这？

So, how often do limited strikes even work?

那么，什么频率的精确打击才能产生作用？

Prevalence is a noun that refers to how common something is, how often it happens.

" prevalence" 是一个名词，指某事有常见，发生的频率有高。

Generally speaking, frequency means how often something repeats.

一般来说，频率是指某件事重复的次数。

How often do you go to the movies?

久去看一次电影？

Wow! How often do you use it?

哇！久用一次？

Number three, smiling. How often do you smile?

第三，微笑。久会笑一笑？

How often do you cook burgers at home?

久在家做一次汉堡？

How often do you see a 10-goal draw?

久能看到一次 10 球平局呢？

Okay, so how often does this happen?

好吧 这种事久发生一次？

But how often do things like this happen?

但这样的事情发生的频率有高呢？

And underestimate how often women are faking it.

同时低估女性假装高潮的次数。

So, how often are you guys at home?

们是否经常待在家里？

How often do those inspections reveal a problem?

检测出问题的几率高吗？

How often do you guys text?

和比伯发消息的频率有高？

She has people fill out surveys about how often they procrastinate.

她让人们填写了关於 他们拖延频率的调查问卷。