她在看电视，但铃响了。

She's watching TV, but the bell rings.

休息时间铃响。

The bell rings at break time.

她提醒他在铃响之前上课。

She reminded him to gtc before the bell rings.

下课铃响了，学生们都很开心。

The bell rang, and the students were happy class is over.

学生们在铃响之前聚集在走廊里。

The students gathered in the hallways before the bell rang.

她沉浸于她的书中，没有听到电话铃响。

She was immersed in her book and didn't hear the phone ring.

老师给他记了迟到，因为他在铃响后才到。

The teacher marked him tardy because he arrived after the bell.

他全神贯注于自己的思绪，没有听到电话铃响。

He was preoccupied with his thoughts and didn't hear the phone ring.

下课铃响后，老师用声音或动作驱赶学生离开教室。

The teacher shooed the students out of the classroom after the bell rang.

他集中注意力在游戏上，以至于没有听到电话铃响。

He was so concentrating on the game that he didn't hear the phone ring.