1.cross off(或out)从…划掉，删去
例句：Cross off those positions you dont want or dont think you will get.
划掉那些你不想从事或你认为不能获得的职位。
2.cross one's mind 突然想起,突然从脑海中掠过,想起来
例句：It crossed my mind that I forgot to lock the door.
我突然想起来忘记锁门了。
3.cross section 横切面，断面图，剖面图
例句：First, the vehicle would have to have a very small cross section and rely heavily on nanotechnology for miniaturization. Imagine a payload the shape and size of a torpedo.
首先，这个航空器可能有着非常小的横截面，主要依赖于纳米技术来达到微型化，想象一个鱼雷般尺寸和形状的负载。
4.cry down 贬低，用喊叫声使泼言者停止
例句：His success can't be cried down by anyone.
任何人也贬低不了他的成就。
5.crowd out 挤出，挤掉，排挤出
例句：His article was crowded out of the magazine.
他的文章由于杂志稿多而被挤掉。
6.crowded with 挤满
例句：However, classrooms are still crowded with students.
但是教室里仍然挤满了学生。