[VERB 动词]偏离；背离 To deviate from something means to start doing something different or not planned, especially in a way that causes problems for others.
[V from n]
[Also V]
They stopped you as soon as you deviated from the script...
一旦你偏离了剧本的内容，他们就会喊停。
He planned his schedule far in advance, and he didn't deviate from it...
他提前很早就制订出了自己的进度表，然后从未偏离过它。
From very early on he believed a military revolution was necessary and he has never deviated from that ideological path.
他一早就认为军事革命是必要的，并且从未背离过这一思想路线。
Oxford
de·vi·ateAWL/ˈdiːvieɪt; NAmEˈdiːvieɪt/verb[intransitive ]deviate(from sth) to be different from sth; to do sth in a different way from what is usual or expected 背离；偏离；违背◆The bus had to deviate from its usual route because of a road closure.因为道路封闭，公共汽车只得绕道而行。◆He never deviated from his original plan.他从未偏离自己最初的计划。deviatedeviatesdeviateddeviatingde·vi·ate/ˈdiːvieɪt; NAmEˈdiːvieɪt/
to change what you are doing so that you are not following an expected plan, idea, or type of behaviourdeviate from The plane had to deviate from its normal flight path.