7 sentences

1. 大家凑钱买了一件礼物。

   dà​jiā còu qián mǎi le yī jiàn lǐ​wù.

   Everyone chipped in money to buy a gift.

   Source: Dong Chinese Dictionary

2. 咱们凑个整数，付五十块钱吧。

   zán​men còu gè zhěng​shù, fù wǔ​shí kuài qián ba.

   Let's make it a round number and pay fifty yuan.

   Source: Dong Chinese Dictionary

3. 他最后一张牌凑成了葫芦，赢了这一局。

   tā zuì​hòu yī zhāng pái còu chéng le hú​lu, yíng le zhè yī jú.

   His last card completed a full house, winning him the hand.

   Source: Dong Chinese Dictionary

4. 咱们几个人凑个份子，给退休的老张买件礼物吧。

   zán​men jǐ gè rén còu gè fèn​zi, gěi tuì​xiū de lǎo Zhāng mǎi jiàn lǐ​wù ba.

   Let's pool our money to buy a gift for retired Lao Zhang.

   Source: Dong Chinese Dictionary

5. 时间正好凑在他休息那天，我们可以一起去。

   shí​jiān zhèng​hǎo còu zài tā xiū​xi nà tiān, wǒ​men kě​yǐ yī​qǐ qù.

   The timing happens to coincide with his day off, so we can go together.

   Source: Dong Chinese Dictionary

6. 我刚准备去车站你就打来电话，时间真是凑得正巧。

   wǒ gāng zhǔn​bèi qù chē​zhàn nǐ jiù dǎ​lái diàn​huà, shí​jiān zhēn shì còu de zhèng​qiǎo.

   I was just about to head to the station when you called; the timing was perfect.

   Source: Dong Chinese Dictionary

7. 他凑到我耳边低声说话。

   tā còu dào wǒ ěr bian dī​shēng shuō​huà.

   He leaned into my ear and whispered.

   Source: Dong Chinese Dictionary