Herr husband, surnamed Duan, said he and Liu had been helping their daughter with an elementary school math assignment when tempers flared after they failed to arrive at the same answer.

据刘女士的丈夫段先生表示说，当时他和妻子正在辅导女儿的小学数学作业，但是对于同一道题两人却没能得出一样的答案，于是两人就发了火。

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Duan is our Chinese teacher, he was a graduate of the Music Department. He sings songs very well, but also Bel Canto. He gave us his wonderful singing voice.

段老师是我们的语文老师，可他是音乐系毕业的。他唱歌唱得非常好，还会美声唱法。他给我们展示了他美妙的歌喉。

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Still he wanted to go after Ace Duan.

他还待向段延庆追去。

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