concince
adj. 简明的
搭配：concince sb. of sth./that...使某人相信...
用法：concince 不能做不及物动词，因而：
（1）I am concinced of sth./that...我相信....
（2）做状语的concinced=believing=full of concinction
1.I gave a concise answer about this.
我对于此事给了一个简要的答复。
2.It's a writing that presents the main points in a concise form
以简明形式陈述主要论点的文章
cope
vi. 成功地应付; 对付
搭配：cope with 处理，对付
1.He had a lot of work, but he was able to cope.
他的活虽多, 但还能应付得来。
2. He does not seem able to cope any more.
他看来好像已不再能应付了。
3. How would we cope once the money had gone?
钱一用完，我们怎么办？
4.I am afraid I can not cope with those troubles.
恐怕我对付不了这些麻烦.
cosmic
adj. 宇宙的
1. The cosmic rocket carrying an automatic interplanetary station snot off into
cosmic space.
宇宙火箭带着自动星际站飞快冲向宇宙空间。
2, We are perhaps ignorant of what the cosmic rays were like back around that time.
我们对当时的宇宙射线的情况也许还是一无所知。
costly
adj. 昂贵的, 代价高的
联想：cost--costly
expense（费用）---expensive（昂贵的）
1. Is it costly?
花钱多吗？
2.The plan dropped through when it proved too costly.
当这个计划证明耗资过大时就停下来了。
3.The project fell through when it proved too costly.
这个项目因费用过高而落空。
