2 sentences for 喘气 (chuǎn​qì)

1. 这活儿总算干完了，我们可以喘气了。

   zhè huó​r zǒng​suàn gàn​wán le, wǒ​men kě​yǐ chuǎn​qì le.

   The job is finally finished, so we can take a breather now.

   Source: Dong Chinese Dictionary

2. 因为感冒，他感到呼吸困难，不停地喘气。

   yīn​wèi gǎn​mào, tā gǎn​dào hū​xī kùn​nan, bù​tíng de chuǎn​qì.

   Due to a cold, he found it difficult to breathe and kept gasping for air.

   Source: Dong Chinese Dictionary