一寸光阴一寸金, 寸金难买寸光阴 (yí cùn guāng yīn yí cùn jīn, cùn jīn nán mǎi cùn guāng yīn) Time is money, and it is difficult for one to use money to get time.

Meaning: The character “一寸 (yí cùn)” means an inch,“光阴 (guāng yīn)” means time,“金( jīn)”means money or gold ,“难(nán)”means difficult，“买(mǎi)”means buy or get.It means time is money and very precious, and it is difficult for one to use money to get time.We should value time.

For example:

yīcùn guāngyīn yīcùn jīn , cùn jīn nán mǎi cùn guāng yīn , wǒmen yào zhuājǐn xiànzàide shíjiān duō xuéxí zhīshí , jiānglái cái néng chéngwéi yǒuyòngde rén .
一寸光阴一寸金,寸金难买寸光阴,我们要抓紧现在的时间多学习知识,将来才能成为有用的人.
Time is money, and it is difficult for one to use money to get time,we should catch time to learn knowledge so that we can become a useful person.