On average, students have to spend 3 hours finishing homework every day, but if we are stuck by difficult questions, the time will be extended.
学生平均每天要花三个小时来完成作业，但是如果遇到难题，完成作业的时间就得延长。
His parents believe that he needs to spend more time on his homework because it is difficult to become a professional sports star.
他的父母认为，他需要花更多的时间在功课上，因为要成为一名职业体育明星是很难的。
It isn't hard to think of other explanations for why successful students might be in classrooms where more homework is assigned - or why they might spend more time on it than their peers do.
这不难想起其他关于为什么成功的学生也许会出现在留作业较多的教室里的解释，或者为什么他们会花比同学更多的时间在写作业上。
Ask about their expectations. Find out how much time your child should spend on homework each night.
了解他们对孩子的期望，还要了解孩子每晚的家庭作业应规定在多长时间内完成。
A new study in the Journal of Experimental Social Psychology examined how parents and teachers could encourage their kids and students to spend more time on their homework.
实验社会心理导报的一项新的研究对家长和教师如何能够鼓励孩子和学生花费更多的时间在作业上这一研究进行了考察。
Do your homework and spend time on research, because it's research that makes all the difference.
要花时间研究并做好功课，多做研究会影响很大。
There's no homework for this class and there won't be any for the follow on class but I want you to spend your time to do the homework that you already have assigned.
这些课没有作业，下节课也没有作业，但是我希望你们花些时间来，做我刚布置的作业。
She must spend more time on her homework.
她必须花更多时间在她的家庭作业上。
For preparing for tests, they must spend a lot of time on doing their homework so that their eyesight becomes worse and worse.
准备测试，他们必须花大量的时间在做他们的作业，这样他们的视力变得越来越差。
Even worse, I spend little time on my homework. All I think is playing games and getting higher grades.
更严重的是，我心里想的全是玩游戏，拿到更高的分数，几乎不花心思在作业上。
I often spend a lot of time on my homework every night.
我经常每天晚上花很多时间做家庭作业。
Brown University study finds a new correlation between the time kids spend on digital devices and the likelihood they finish their homework.
布朗大学的一项研究发现，孩子花在数码产品上的时间长短跟他们按时完成作业的可能性之间存在关联性。
Spend more time on your work, Tom. You did your homework very (carelessly).
汤姆，在你的作业上多花费点儿时间。你的作业太不认真。
After class, 60% of junior students spend their time on study, reading books or doing homework at home. 5% of them watch TV and 15% play computer games.
放学后，60%的初中生课外时间在学习，阅读或者在家做作业。5%的学生看电视，还有15%玩电脑游戏。
They spend all their free time at home working on lesson plans, grading and making homework and tests, and many other things.
他们花了所有在家的业余时间做课程计划、批作业，和其他事情。
We don't allow him to practice every day because we think he needs to spend time on his homework.
我们不允许他每天参加训练是因为我们认为他必须花时间在功课上。
I can't decide when to do my homework and when to spend my time on my hobbies.
我只是不能决定何时做作业，何时花时间在我的业余爱好上。
He didn't spend much time on his homework.
他没在作业方面花很多时间。
I can't decide when to do my homework and when to spend my time on my hobbies.
英语翻译我只是不能决定何时做作业，何时花时间在我的业余爱好上。以上可以翻译成英文吗。
He needs to spend time on his homework.
他需要花时间做家庭作业。
He doesn't spend much time on his homework.
他花在作业上的时间不多。
He doesn't spend much time on his homework.
他花在作业上的时间不多。
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