偷工减料

zhè xiē fáng zi shì tōng guò tōu gōng jiǎn liào jiàn chéng de

这些房子是通过偷工减料建成的。

These houses were all jerry-built.

tā men zài guò chéng de měi yī gè jiē duàn dōu tōu gōng jiǎn liào

他们在过程的每一个阶段都偷工减料。

They cut corners at every stage of the process.

zuò gōng yào rèn zhēn fù zé bù néng tōu gōng jiǎn liào

做工要认真负责，不能偷工减料。

You need to be serious about your work. Do not cut cornors by all means.