You don't have to live so frugally.

生活不用过得那样俭朴了吧。

She was enjoined to live more frugally.

她被责成更俭省地生活。

We’re able to live a lot more frugally now.

我们还能活得更省一点。

If you live frugally, you'll save plenty of money.

如果你过的简朴一点，也能省下不少钱。

We live pretty frugally, so we don't fight over money.

我们生活很节俭，所以我们不吵钱。