be on a collision course

a) DISAGREEto be likely to have serious trouble because your aims are very different from someone else’s 〔因双方目标差异太大而〕很可能发生冲突，有可能导致严重争端

The two nations are on a collision course that could lead to war.

两国可能会发生冲突，从而导致战争。

b) HIT/BUMP INTOto be moving in a direction in which you will hit something 朝着可能会碰撞的方向移动

an asteroid on a collision course with Earth

正朝着地球撞来的一颗小行星

Examples from the Corpus

be on a collision course• Newspaper reports say that the two nations are on a collision course that could lead to war.• It needed no great powers of prophecy to realize that Nigel and I were on a collision course.• Nurses lodge 10 Nurses are on a collision course with the Government after lodging a claim for a ten percent pay rise.• Suddenly I found that he and I were on a collision course, both in Atlas aircraft.• The Croatan was on a collision course with the twenty-foot branch and its two passengers.• Union leaders representing more than 8,000 white-collar staff gave warning of more stoppages and said the company was on a collision course.

→ be on a collision course at collision(1)