/kəˈlɪʒn ||; kəˈlɪʒən/noun [C,U] a crash; an occasion when things or people collide 相撞:
It was a head-on collision and the driver was killed instantly. 两车迎头相撞，司机当场死亡。 be on a collision course (with sb/sth) 1 to be in a situation which is certain to end in a disagreement or argument 沿着导致冲突的轨迹发展: I'm not surprised they're arguing -- they've been on a collision course over money all week. 他们发生争吵我毫不意外，一个星期来他们一直为了钱而闹意见。
2 to be moving in a direction which is certain to cause a crash 沿着碰撞的航向行驶: The ship was on a collision course with an iceberg. 那条船沿着与冰山相撞的航向行驶。