我没有把握能步行这么远。

I'm not sure I can walk so far.

《牛津词典》

你是怎么来到这湍急的河上，漂到这么远的地方来的呢？

How did you get upon the large rapid river, to be driven about so in the wide world!

youdao

我没有学习过艺术，但不知何故，我还是成功地走了这么远。

I didn't study art, yet somehow I've still managed to blag my way this far.

youdao

It was a classical model, right, so we could say the electron is exactly this far away from the nucleus.

这是个经典模型，对吧，我们说电子离,原子核就是这么远。

麻省理工公开课 - 化学原理课程节选