紧追不舍

qì chē fēi chí ér qù jǐng chá jǐn zhuī bù shě

汽车飞驰而去，警察紧追不舍。

The car sped away, with the police in hot pursuit.

nà zhī māo cuàn le chū lái gǒu zài hòu miàn jǐn zhuī bù shě

那只猫窜了出来，狗在后面紧追不舍。

The cat whipped out, with the dog chasing it.