老师偶尔会偏离课本内容，讲一些有趣的故事。

The teacher sometimes ___deviates from the textbook to tell interesting stories.

他的行为明显偏离了社会规范。

His behavior clearly ___deviates from social norms.

他的行为严重偏离了社会规范。

His behavior significantly ___deviates from social norms.

讨论突然偏离了主题，转向了一个完全无关的话题。

The discussion suddenly ___deviates from the topic to something completely unrelated.