Finally the author illustrates the point by gibing a damage detection example.

最后作者介绍了一个识例子。

It’s impolite to gibe at a foreign student’s English.

外国学生的英语是不礼貌的。

It’s easy enough for you to gibe at them, but could you do any better?

话人家很容易,可是你能做得更?

Don't make gibes about her behavior.

她的行为。