前人

qián rén zhòng shù hòu rén chéng liáng

前人种树，后人乘凉。

When earlier generations plant trees, posterity shall enjoy the cool under the shade-enjoy the fruits of the labour of one's ancestors or predecessors.

wǒ men xiàn zài jìn xíng de wěi dà shì yè shì qián rén bù néng xiǎng xiàng de

我们现在进行的伟大事业，是前人不能想像的。

The great undertakings in which we are engaged today were beyond our forefathers' imaginations.

chāo guò qián rén

超过前人

surpass one's predecessors

qián rén méi wán chéng de tǒng yī shì yè

前人没完成的统一事业

unfinished tasks of reunification left to us by our predecessors

qián rén zǒng jié chū de jīng yàn

前人总结出的经验

experience summed up by our predecessors

qián rén láo dong de guǒ shí

前人劳动的果实

the fruits of our predecessors' hard work