我六十斤。

Wǒ liùshí jīn.

I'm 60 jin.

一斤等于五百克。

Yì jīn děngyú wǔbǎi kè.

One jin equals five hundred grams.

这块肉有一斤多，够我们吃了。

Zhè kuài ròu yǒu yì jīn duō, gòu wǒmen chī le.

This piece of meat is more than one jin; it's enough for us to eat.