短语讲解：

1.In general, the definition of an adverb is this: a word that describes a verb, an adjective, another adverb, or a sentence.

in general adv.通常; 大体上; 一般而言，总的来说
例句：I think we need to improve our educational system in general
我认为有必要从整体上改进我们的教育体系。

2.As you heard at the beginning of today's program, well can have a few different uses.

at the beginning of 在…之初
例句：The teacher always calls the roll at the beginning of the class.
上课开始时，老师总要点名。

3.Like any good crime film, we end with a few questions.

end with 以…结束
例句：Futures prices recovered from sharp early declines to end with moderate losses.
期货价格在早盘深幅下跌后出现反弹，收盘时未见严重损失。