Life is usually controlled by cars in the US. There's no cheap and good public transportation, so it's so difficult to get somewhere.

在美国，人们的生活受到汽车支配。由于没有便宜优质的公共交通工具，所以很难去其他地方。

youdao

They are obviously a good side so no one will be going there thinking it will be anything other than a difficult game.

我们必须保持全神贯注，因为这将是一场艰难的比赛！ 没有什么是理所当然的，但我还是希望我们能取得一个好的结果。

youdao

The good news is that expat compiles cleanly on most Unix systems, so installation shouldn't be too difficult.

一个好的消息是，在大部分Unix系统上expat可以干净利落地编译，所以安装不应该太困难。

youdao

Imagine how much power it takes to drive an artificial heart, so you've got to have a battery or some way of generating power continuously to operate that and that makes it difficult to think about implantable and so that's a really good example of Biomedical Engineering.

驱动人工心脏所需要的能量是难以想像的,所以需要电池或者是某种持续发电装置,来给人工心脏提供能量,这就增加了人工心脏的植入难度,这是很好的生物医学工程的例子

耶鲁公开课 - 生物医学工程探索课程节选

The food is so astonishingly good that it is difficult to pick bests.

FORBES: Fact and Comment

"Kofi Annan is doing, so far, difficult but good work, " al-Assad said.

CNN: Assad: U.S. trying to destabilize Syria

So, then: what if a paid professional became so good at that supposedly most difficult of all things hitting a pitched baseball that no one else really wanted to play against him?

NEWYORKER: King of Walks