寸土

cùn tǔ bì zhēng

寸土必争

contest every inch of land

méi yǒu cùn tǔ wèi bèi kāi kěn chéng gēng dì

没有寸土未被开垦成耕地。

There was not one inch of soil that was not under the plough.

wǒ men yāo qiú cùn tǔ dé dào gēng zhòng

我们要求寸土得到耕种。

We request that every inch of land should be cultivated.