要在本周末完成这一切，这在客观上是办不到的。

It's just not physically possible to finish all this by the end of the week.

《牛津词典》

你说的那事是办不到的。

What you say is out of the question.

youdao

原来认为办不到的事， 现在办到了。

What was thought impossible has now been done.

《新英汉大辞典》

Pompey had cleared the Mediterranean of pirates, which is something that our governments can't seem to do.

庞贝清除了地中海的海盗，这点我们政府似乎办不到。

耶鲁公开课 - 新约课程节选