how often

How often do you shampoo your hair?

你多久用洗发剂洗一次头?

How often do you go to the theatre ?

你多久看一次戏？

How often do you go to the theatre?

你多长时间看一次戏？

The research, based on a seven-year dietary analysis of 50000 adults, found that body weight, measured by body mass index, corresponds with when we eat and how often we eat.

在对5万名成年人长达7年的饮食分析的基础上，研究发现体重指数（BMI）与进食时间和进食频率相关。

For example, we can change how often we receive the distracting notifications that trigger our urge to check.

例如，我们可以改变接收通知的频率这些通知令我们分心，促使我们要想要查看信息。

But how often is too often?

但是多长时间一次就是太频繁呢？

How often do you brush your teeth?

你多久刷一次牙？

No matter how often they were urged, they could not bring themselves to join in.

就算别人说破了嘴皮，他们就是不加入。

How often do you go swimming?

你多久去游泳一次？

How often do you go jogging?

你多久慢跑一次?

How often do you go to church?

你多久去教堂做一次礼拜？

How often have I tried to drill into you that you must ask permission first?

我不是多次叮嘱过你要首先请求允许 吗 ?

How often do you go riding?

你多长时间骑一次马？

How often does the bus to downtown run?

到市中心的公共汽车多久来一班？

How often do you exercise?

你多长时间锻炼一次？

How often do you take it to the vet ( veterinarian)?

多长时间一次你会带你的宠物去看兽医？

He was shocked at how often she used the F-word.

她常常使用粗俗的骂人话，这使他感到震惊。

How often are letters delivered here?

这儿一天送几次信件?

So , Jack, how often do you clean these windows?

杰克, 你经常擦洗这些窗户 吗 ?

I don't know how often I heard the same awful jokes.

这种千篇一律的烂笑话我不知道听过多少回了。

How often do you use the bus?

你多长时间坐一次公共汽车？

The two occasions she tripped up tell you nothing about how often she got away with it.

你看到了她的两次失手，却根本不知道有多少次她都得逞了。

How often does the train run?

这火车多久一班?

How often do you give your phone number out?

你经常把自己的电话告诉别人吗？

The technology, your boss, and your friends, all influence how often you find yourself using ( or overusing) these gadgets.

科技、你的老板、你的朋友们都会影响你使用(或者过度使用)这些小玩意儿的频率。

No matter how often they turn up, their welcome never wears out.

不管他们多久露面一次，都永远那么受欢迎。

Her hair keeps sticking up no matter how often she combs it.

不管她怎么勤梳头,她的头发总是竖着.

Regardless of how often I correct him, he always makes the same mistake.

不管我怎样经常告诫他, 他总是犯同样的错误.

No matter how often they were urged, they could not bring themselves to join in

就算别人说破了嘴皮，他们就是不加入。

'How often does it need to be changed?' — 'Haven't the foggiest.'

“大概要多久换一次呢？”——“我一点儿概念也没有。”