The components of hybrid composites are quite complicated and diverse. Therefore it 's difficult to predict its thermal expansion coefficient.

由于混杂复合材料组分多、结构复杂，因此预测其热膨胀系数难度较大。

youdao

It 's difficult to assess the effects of these changes.

很难评价这些变化的影响。

youdao

It expresses the movie's difficult love story between a young woman and a vampire and the battle they must prepare to fight.

VOA: special.2010.06.25

It shouldn't be difficult to see a kind of problem that is beginning to arise in Milton's text here.

这是一个很容易看出的问题,在弥尔顿的作品中也被提了出来。

耶鲁公开课 - 弥尔顿课程节选

Well, that's pretty difficult. It, you know, I think it's easiest to do that in sort of an informal way.

分配起来确实挺困难的。你知道的，以一种非正式的方式反而更容易做到。

有趣的室友们 - SpeakingMax英语口语达人

Merrill Lynch automotive analyst John Murphy says it s difficult to predict the cost of Ford s buyout program.

FORBES: Ford's Big Buyouts

Sometimes, it's difficult to get them into the tub, it's difficult to get them out, get them dressed.

NPR: Home Health Aides Seek Labor Protections

"It's big business and it's difficult to fight it and unfortunately our government agencies will say it's in the national interest - so what I am saying is, if it does go ahead let's make sure we get the best protection we can, " he said.

BBC: Larne Lough gas scheme 'needs other consent'