The other ten percent use it at least three or four times a week. Most students use it for fun and not for homework.

其他百分之十的用户每周至少使用三到四次。大多数学生使用它是仅仅为了乐趣，而不是为了做作业。

youdao

We go swimming four times a week.

我们每周去游泳四次。

youdao

Now he surfs three or four times a week.

现在他每周都去冲浪三四次。

youdao

Six-week-old babies generally breastfeed seven to nine times in a twenty-four-hour period.

VOA: special.2010.08.04

But it's difficult, because you have to go there like four or five times a week.

但是要坚持学习真实太难了，你一周得去四、五次。

I used to实战 - SpeakingMax英语口语达人

Major Nidal Malik Hasan is conscious and able to talk, according to Army officials overseeing his care following last week's incident in which the suspect was shot four times by a civilian police officer.

VOA: standard.2009.11.10

Customers use Bitcoin for payment three or four times a week at her store, she said.

WSJ: Bitcoin Investors Hang On for the Ride

From fourth grade, Saruki says, her boy began to attend cram school four times a week.

CNN: On The Frontline

If we all did this three or four times a week, those degrees would add up.

FORBES: Digital Rules