She had to steal food just to stay alive.

她得偷食物才不至于饿死。

The big factories are trying to stay alive by cutting costs.

大工厂试图通过减少开支以维持生存。

I am a savage and I do not understand how the smoking iron horse can be more important than the buffalo that we kill only to stay alive.

我是一个野人，我理解不了那冒烟的铁马怎么会比我们用来维持生存才宰杀的水牛更重要。

How can I stay alive?

怎样才能活着？

Help me stay alive and hug my children.

帮助我活下去，拥抱我的孩子。