unbent

1.She only unbends in the family circle.

她只在家庭环境里才不拘束。

2.I had trouble unbending my cramped knees.

我麻木膝盖很难伸直。

3.At the party even the professors unbent and told jokes.

在晚会上, 连教授们也变得轻松随和, 讲些笑话。