If you cannot do it, I will understand.

如果你不能做这件事，我可以谅解。

youdao

If you can't do it, I will understand.

如果你不会做这件事的话，我可以理解。

youdao

She tells me I will understand gradually.

她告诉我慢慢的我就会理解了。

youdao

"It is always nice to get a little package on a Saturday but if it means not paying people properly or having to cut down, I will understand."

VOA: standard.2010.04.13

I don't expect you'll all immediately grab it, but you will need to understand it before the quiz comes along.

我不期望你们马上就能掌握，但是你们需要在,考试前弄懂它。

麻省理工公开课 - 计算机科学及编程导论课程节选

To use an ancient expression from the 1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.

我和约翰都会同意，70年代的一句话来概括，那就是很难理解编码的内容，以及它想要完成的工作。

麻省理工公开课 - 计算机科学及编程导论课程节选

Senator HARRY REID (Democrat, Nevada): We're moving forward, recognizing that there's a period of time that in Joe Lieberman's political career that I will never understand or approve.

NPR: Political Junkie: Clinton, Lieberman and Holder

"I understand that people will find these figures worrying, but I want people to understand that I don't think they're high - certainly not compared to other mental health trusts, " he said.

BBC: Eleven mental health patients in care of Trust have killed

"The geography of the force and rural areas bring unique challenges that I will seek to understand so I can make sure we meet the needs felt by everyone, including our more rural, isolated communities, " he said.

BBC: Dyfed-Powys commissioner first to choose new police chief