hard to understand信息详情
难以理解
to understand───理解；明白
understand───vt.理解；懂；获悉；推断；省略；明白；vi.理解；懂得；熟悉
hard to───难于
difficult to understand───深文奥义；莫测高深；艰深；艰深的
understand myself───了解我自己
l understand───我明白
clearly understand───清楚地了解；清楚地明白；明了
hard to know───很难知道
hard to bear───够受的
It's hard to understand why they would not be affected, whereas dinosaurs were left too crippled to cope, especially if, as some scientists believe, dinosaurs were warm-blooded.───很难理解为什么它们不会受到影响，而恐龙却因为残疾而无法生存，尤其是如果恐龙像一些科学家认为的那样是温血动物。
Judy is so reserved that it is hard to understand her.───朱迪非常内向，因而很难理解她。
This classical poem is hard to understand.───这首古诗很费解。
It is hard to understand why many Republicans would object to New START, beyond a general desire to snub the president.───除了想要给总统找点麻烦的普遍心思之外，别的再就很难解释为什么许多共和党人会反对NewSTART。
There are small number of students don't like the new textbooks due to its complex sentences and hard to understand.───有小部分的同学表示不喜欢新教材，因为句子复杂，很难理解。
However, it's not that hard to understand once you study it for a few minutes.───然而，只要您学习几分钟，要理解它也不那么困难。
If I don't know where the input is coming from, it's hard to understand why I'm generating a particular set of output.───如果我不知道输入来自哪里，那么很难理解为什么我正在生成这一组特别的输出。
Often failed to use it as an excuse to cover up the weak and incompetent in Egypt, but never hard to understand the mystery of this place.───人们经常把它当作失败后的托词，用来掩饰埃及的懦弱无能，却从不用心去体会这句话的奥妙之处。
French backing for a burqa ban across the political spectrum is sometimes hard to understand.───法国逾越政治形态力挺布拉罩袍禁令的行为有时难免令人费解。
The middle class found this hard to understand.
It was hard to understand all the minute gradations of their bureaucracy.
It's hard to understand how the accident came about.
It's hard to understand the colloquial idioms of a foreign language.
He abbreviated so much that it was hard to understand his article.
His mystic behavior is hard to understand.
Biology is sometimes quite hard to understand.
Such monstrous injustice is hard to understand.
It is hard to understand the complex workings of the social security system.