come up with ,come up against ,come up to ,come up for

题目

come up with ,come up against ,come up to ,come up for
怎么个用法?

答案

come up with
1.赶上,提出
2.提出,拿出
come up against
1.碰到
2.遭遇
come up to
1.达到,符合
2.达到(标准),比得上,等于
come up for
常与discussion连用,表示提出讨论.