Hardly could he finish his test paper when the school bell rang.

他还未做完试卷，下课铃就响了。

youdao

Soon the school bell rang, we happily ran back to the classroom learning.

很快上课铃就响了，我们愉快地跑回教室学习。

youdao

The bell rang right after I said that, and school was dismissed.

正好这时下课铃响了，这是最后一节课，学校要放学。

youdao

In Los Angeles, the nation's second-largest district, the first school bell rang for 600, 000 students on Aug. 14, three weeks earlier than the normal start.

WSJ: School in August Gets Low Grades

Once Mischel began analyzing the results, he noticed that low delayers, the children who rang the bell quickly, seemed more likely to have behavioral problems, both in school and at home.

NEWYORKER: Don��t!