Never smell or taste chemicals unless your teacher gives permission.

除非老师允许，否则不要去闻或尝化学药品。

youdao

Later, the teacher let another student taste the water.

后来，老师让另一个学生尝尝水的味道。

youdao

How I used to not carefully observed and taste the tea, then? Suddenly, I understand, the teacher turned things around so that we do pay attention!

以前我怎么就没有仔细观察和品尝茶叶呢？忽然之间，我明白，老师原来是让我们留心周围的事物呢！

youdao

Some of them may get a taste for a career in teaching and go on to train to be a qualified teacher.

BBC: Spin on classroom assistants