Alas, his comeback was not to be.

唉，他没能卷土重来。

But alas, that hole has closed up.

但最终 通道重新被堵上。

Alas, it is too late to repent.

再例如，作为一个中国人，经书不可不读。

Alas! that was not so easy as she had expected.

唉！事实并非她想象的那么容易。

Good job, but alas, not by global standards.

干得不错，但是，唉，并没有达到国际标准。

Alas, why are my nights all thus lost?

唉，为什么每夜就这样地虚度了？

But, alas, for the vanity of human expectation!

真令人唏嘘，人类的希望竟是这样虚妄！

And deaths, alas, are also rising once again.

不幸的是，死亡人数也在再次上升。

These were my very words, but Alas!

这是我的话， 但是唉！

What the hell did " alas" mean? That sounds stupid.

“Alas”究竟是什么意思？听起来有点傻。