4 sentences

1. 他被一阵急促的敲门声惊醒了。

   tā bèi yī zhèn jí​cù de qiāo​mén​shēng jīng​xǐng le.

   He was startled awake by a sharp knocking at the door.

   Source: Dong Chinese Dictionary

2. 他在剧烈运动后，气息变得有些急促。

   tā zài jù​liè yùn​dòng hòu, qì​xī biàn de yǒu​xiē jí​cù.

   After vigorous exercise, his breathing became somewhat labored.

   Source: Dong Chinese Dictionary

3. 由于过度紧张，他的呼吸变得十分急促。

   yóu​yú guò​dù jǐn​zhāng, tā de hū​xī biàn de shí​fēn jí​cù.

   Due to extreme nervousness, his breathing became very rapid.

   Source: Dong Chinese Dictionary

4. 由于时间太急促，他没能把事情解释清楚。

   yóu​yú shí​jiān tài jí​cù, tā méi néng bǎ shì​qing jiě​shì qīng​chu.

   Because time was so pressed, he couldn't explain things clearly.

   Source: Dong Chinese Dictionary