这一次，他没有听到猫叫声。

This time he did not hear any cat noises.

突然一声猫叫声，吓了他一大跳。

A sudden meow made him startled.

有一天，小安放学回家的时候，发现一个会发出猫叫声的纸箱。

One day, when Andy got back from school, he found a cat which has been thrown away.