be hard on

基本解释

The first few years of business start up can be hard on family life.
刚开始几年的创业生涯可能会给家庭生活带来十分不好的影响。
Don’t be hard on yourself: There is always a tendency for you to heap the causes of the strain in the relationship on yourself.
别难为自己：你会倾向于把导致关系紧张的原因归结在自己身上。
For example, if we find it difficult to graciously accept compliments, this is probably a sign that we tend to be hard on ourselves.
比如，如果我们发现自己很难心安理得地接受赞美，这就可能是我们对待自己太苛刻的信号了。
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But sumatriptan has side effects and overuse of medication can be hard on the body.
For a couple of reasons. In some ways, this would be nicer, do expected cases, it's going to tell you on average how much you expect to take, but it tends to be hard to compute, because to compute that, you have to know a distribution on input.
关注最快的情况，在某种意义上来说，因为一些原因这样想挺不错的，当我们处理一个给定的问题,计算平均时间的时候,是很难计算的，因为你并不知道输入的分布情况,这些输入会是怎么样的呢？
麻省理工公开课 - 计算机科学及编程导论课程节选
He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.
他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。
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The interruption of income would be hard on anyone but Davenport also had a child with a disability and health insurance was critical.
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