我们死都不怕，何况困难？

We fear no death, let alone difficulties.

《新英汉大辞典》

他们说，让人们关心数十年以后的气候威胁实在是太困难了，更何况自然气候循环本身也是变幻难测。

Getting people to care about a climate threat that is decades away is hard enough, they say, without adding in the vagaries of natural climate cycles.

youdao

经营一段本地恋情已然相当困难，更何况当两人相隔数英里，或者一个州，甚或是一片海洋。

It's hard enough to make local relationships work, but having mile, States, and sometimes even an ocean between you makes it even more difficult.

youdao