1.a variety of 大量的；各种各样的

例句：A variety of circumstances had prevented his marrying.
由于种种原因，他的婚事耽搁了下来。

2.as good as 和...一样；等于

例句：The fare in this hotel is almost as good as home cooking.
这家旅馆的饭菜几乎和家里做的一样好。
3.feed on 以...为食，靠...为生

例句：You have better feed on coarse cereals for a time.
你最好吃一段时间粗粮。

4.set aside 留出；驳回；撤销

例句：How could you set aside all the objections and cling to your own course?
你怎么能不顾一切反对意见而一意孤行呢？