5 sentences

1. 这些苹果个个都很红。

   zhè​xiē píng​guǒ gè​gè dōu hěn hóng.

   Every single one of these apples is very red.

   Source: Dong Chinese Dictionary

2. 这个铁链是由一个个小环扣起来的。

   zhè gè tiě​liàn shì yóu yī gè​gè xiǎo huán kòu qi​lai de.

   This iron chain is made of small rings linked together.

   Source: Dong Chinese Dictionary

3. 看到孩子们个个活蹦乱跳，老师感到很欣慰。

   kàn​dào hái​zi men gè​gè huó​bèng​luàn​tiào, lǎo​shī gǎn​dào hěn xīn​wèi.

   Seeing the children all healthy and full of life, the teacher felt very relieved.

   Source: Dong Chinese Dictionary

4. 运动员们一个个走上领奖台，领取属于自己的奖牌。

   yùn​dòng​yuán men yī gè​gè zǒu​shàng lǐng​jiǎng​tái, lǐng​qǔ shǔ​yú zì​jǐ de jiǎng​pái.

   The athletes stepped onto the podium one by one to receive their medals.

   Source: Dong Chinese Dictionary

5. 他熟练地把长条面团揪成了一个个大小均匀的剂。

   tā shú​liàn de bǎ cháng​tiáo miàn​tuán jiū chéng le yī gè​gè dà​xiǎo jūn​yún de jì.

   He skillfully pulled the long dough strips into uniform small pieces.

   Source: Dong Chinese Dictionary