They began the verse, but they never finished it, for another sound broke in and stilled them.

他们开始唱歌，但没能唱完，因为另一个声音打断了他们，使他们沉寂了。

youdao

But after a couple of years of effort, it became apparent the project was a gargantuan effort and would never be finished.

但花了几年的努力之后，程序员们发现他们这个项目如此庞大，以至于根本不可能完成。

youdao

It can never be finished. But a conscious effort to answer this challenge will change the world.

它不可能被完全完成，但是任何自觉地解决这个问题的尝试，都将会改变这个世界。

youdao

" Alas, it was never finished, but "when this thing got blasted off the mountain in 2005, it was one of the most beautiful rocks he'd ever seen, and he immediately knew what to do with it.

WSJ: Levitated Mass | Arrival of a Rock Start | By Arnie Cooper