Your writing is really difficult to read.

你的笔迹真是难以辨认。

《牛津词典》

Everything else is really difficult to do experimentally.

其他的很难通过实验做到。

youdao

PW: It is a balance, and this is really difficult.

这需要一种平衡，而且的确不易。

youdao

"It is very difficult to really pin down and there have been these sorts of accusations from the Revolutionary Guards in the past."

VOA: standard.2009.10.18

But a few verses later it's clear that the poet isn't really drowning: this is a metaphor for his difficult situation.

但是随后的几首诗证明了，诗人并没有真正的溺水：,这里的水象征着困境。

耶鲁公开课 - 旧约导论课程节选

Even if the thing that you really want is an integral that would be difficult to evaluate.

即使需要计算的,是一个很难的积分。

麻省理工公开课 - 热力学与动力学课程节选

"When you sue people that you know are telling the truth, that is really difficult to forgive, " he said.

CNN: To Armstrong's critics, doping admission would be sweet

"Linking all your employees is really difficult, " says Laura DeSoto, senior vice president of synergy and innovation at Experian.

FORBES

"It is really difficult to say, " says Kathleen King, collections and science co-ordinator at Kew, where the specimens have been kept in unusually large pots for the first time.

BBC: The stink is upon California