off course

基本解释

Some three weeks ago it suddenly produced an atypical depression. Then, after we had surfaced from its effects, it produced another and sent us even farther off course.
大约三星期之前突然出现了反常的低气压，当我们遭遇它的影响后，又产生了一个低气压，让我们更加偏离了航向。
And although unexpected events will continue to knock it off course, it is more likely to succeed if it can cling to at least some general sense of where it is trying to go.
尽管仍会有突发事件打断进程，但只要美国继续保有至少是大体应向哪个方向走的概念，它就更可能成功。
Experience is valuable, but it can throw you off course.
经验是宝贵的，但可能让你偏离轨道。
qinshli.blog.163.com

"Now it's a lot more organized." Competitors tee off from cement tee pads, working their way along a beautiful disc course that winds around cornfields, wind turbines,and a football field.
Maybe I made a big mistake by likening it to an organic chemistry course-- I don't mean to turn you off.
也许将其比作有机化学课,是个错误,我不是故意想倒你们胃口的
耶鲁公开课 - 金融市场课程节选
I knew from the relatively limited set of course offerings that my school had the things I felt I was good at and so I went off on the path.
从相对有限的课程设置里我得知,学校里有我擅长的科目,所以我走上了这条道路。
哈佛公开课 - 计算机科学课程节选

In the meantime, portfolios tend to wander off course and may no longer match your objectives.
FORBES: Six Avoidable Portfolio Pitfalls