厉行节约

wǒ men yào lì xíng jié yuē jiān jué fǎn duì làng fèi

我们要厉行节约，坚决反对浪费。

We must practice economy and resolutely oppose waste.

cóng jīn tiān qǐ wǒ men yào kāi zhǎn lì xíng jié yuē yùn dòng

从今天起，我们要开展厉行节约运动。

From today, we're going on an economy drive.