deviate
/ˈdi:vɪeɪt; `divɪˌet/ v[Ipr]
~ from sth stop following (a course, standard, etc) 偏离（路线、 标准等）; 背离
The plane deviated from its usual route. 飞机偏离了正常的航线.
I will never deviate from what I believe to be right. 我绝不背离我自信正确的道路.
deviate from one's plan, the norm, the accepted procedure, etc 偏离自己的计划、 标准、 一般的程序等.