Any change is hard.

任何改变都是困难的。

youdao

I said change is hard.

我说的是改变很困难。

youdao

Change is hard, but it doesn't have to be complicated.

尽管改变是困难的，但是它并不复杂。

youdao

Making this life change is hard on all fishermen, but for the Vietnamese and Cambodians here, the language barrier is an added obstacle in trying to reach out to BP for work and compensation.

VOA: standard.2010.05.15

One is inertial mass, which is how much you hate your velocity to change, how hard you resist acceleration.

一个是惯性质量,它反映了物体速度改变的难易程度,即保持加速度的难易程度

耶鲁公开课 - 基础物理课程节选

The other problem is that as it was passed from me to another individual, to another individual, then the vaccine could change in some ways that were hard to predict because what accumulates in the lesion in my arm is different in some way than what accumulates in the lesion on a cow.

另外一个问题是当疫苗从我这传到另一人,到另一个个体,疫苗可能会发生某些改变,这种改变很难预测,因为胳膊上积累的病变,与牛身上积累的病变是不太一样的

耶鲁公开课 - 生物医学工程探索课程节选

We know from our history that change is hard, just like that 101-year-old supporter knew.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

Because we know from our history in this country that change is hard, right?

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

You all know better than just about anyone that change is hard, and change is slow.

WHITEHOUSE: The First Lady on International Women's Day