In the classroom the teacher is stiff and stern but after class he unbends.

在教室中教师是拘谨而且严肃的,但在课后他便变得平易近人了.

In the classroom the teacher maintains discipline but after class he unbends .

教师在课堂上很严厉，但课下却平易近人。

Eventually Darcy unbends a bit toward Elizabeth, and the two engage in ironic banter.

终于,达西对伊丽莎白稍许随和了一些, 两人也相互嬉谑嘲弄起来.