维持生活

maintain a living

维持现状

maintain the status quo

维持秩序

maintain social order

维持友好关系

maintain friendly relations

能维持多久？

How long can this be maintained?

这些钱维持不了一个月。

This money will not be enough to live on for a month.

维持和平部队

peacekeeping force

因他在暗中维持，路上才平安无事。

It's all been smooth sailing due to his secret support.