一位大学老师曾经给他的学生上了一堂生动活泼的课。

A college teacher once gave a lively class to his students.

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我是一个活泼开朗的小学生。

I am a lively open and bright elementary student.

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我喜欢看短发齐耳的中学生。我喜欢他们美好宽阔又明净的额头，以及活泼清澈的眼神。

I love to meet the middle school girls with bobbed hair. I love to see their beautiful, clean and broad foreheads, and their lively, limpid eyes.

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