I can understand why astronauts find it difficult to readjust to life on earth.

我能明白为什么宇航员们发现难以重新适应地球上的生活。

《柯林斯英汉双解大词典》

The next occasion was born of necessity. I needed my now husband to meet you, so he would understand why I found dealing with you so difficult.

接下来不可避免的见面是因为我需要我现在的丈夫见你去了解为什么我会觉得与你 相处如此艰难。

youdao

I'm studying Spanish and I understand a lot of it already. It is difficult to speak it, but I understand a lot.

我正在学习西班牙语，并且我已经能听懂很多了。尽管说西班牙语对我来说还有困难，但我能听懂、理解很多西班牙语了。

youdao

What I find so difficult to understand about the whole thing is, well, what actually is the story?

FORBES: David Cameron, Rebekah Brooks, the Police Horse and the Manufacturing of a Public Outrage

"I can understand Gerard because it's difficult to play every three days, " commented the Italian.

BBC: Aston Villa boss Houllier defends FA Cup team selection

Chris is a world-class kicker, so I fully understand it will be a difficult task to become first choice.

BBC: Edinburgh take Jones from Falcons