8 sentences

1. 这里的苹果是论斤卖的。

   zhè​lǐ de píng​guǒ shì lùn jīn mài de.

   The apples here are sold by the catty.

   Source: Dong Chinese Dictionary

2. 这个大西瓜足有十斤重。

   zhè gè dà xī​guā zú yǒu shí jīn zhòng.

   This big watermelon weighs a full ten catties.

   Source: Dong Chinese Dictionary

3. 这个包裹重十斤零二两。

   zhè gè bāo​guǒ zhòng shí jīn líng èr liǎng.

   This package weighs ten catties and two taels.

   Source: Dong Chinese Dictionary

4. 秤不准，短了半斤。

   chèng bù zhǔn, duǎn le bàn jīn.

   The scale is inaccurate; it's short by half a jin.

   Source: Dong Chinese Dictionary

5. 我要买一斤新鲜的五花肉。

   wǒ yào mǎi yī jīn xīn​xiān de wǔ​huā​ròu.

   I want to buy half a kilogram of fresh pork belly.

   Source: Dong Chinese Dictionary

6. 买了三斤苹果，老板又饶了一个。

   mǎi le sān jīn píng​guǒ, lǎo​bǎn yòu ráo le yī gè.

   I bought three pounds of apples, and the owner threw in an extra one for free.

   Source: Dong Chinese Dictionary

7. 他天生神力，能独自举起几百斤重的石鼎。

   tā tiān​shēng shén​lì, néng dú​zì jǔ​qǐ jǐ​bǎi jīn zhòng de shí dǐng.

   Born with supernatural strength, he could lift a stone tripod weighing several hundred catties by himself.

   Source: Dong Chinese Dictionary

8. 这把利斧重达五斤，普通人挥动起来非常吃力。

   zhè bǎ lì fǔ zhòng dá wǔ jīn, pǔ​tōng​rén huī​dòng qi​lai fēi​cháng chī​lì.

   This sharp axe weighs five catties, making it very strenuous for an average person to swing.

   Source: Dong Chinese Dictionary