1、look back on 回首(往事),回头看(以前的事)
例如:I like to look back on my high-school days,which were the happiest in my life.
我喜欢回顾我的中学时代,那是我生命中最快乐的时光。
2、look back to 回头看,表示身体回转,看什么东西
例如:When I look back to my childhood I can best recall the rainy days.
当我回顾我童年生活的时候,下雨的日子给我印象最深。
3、look back at 回头看,注意力集中于
例如:I will look back at this one with undiluted pleasure.
回顾此事,我会无比地开心。

扩展资料
近义词
1、retrospect
读音:英 ['retrəspekt],美 ['retrəspekt]
释义:
(1)n. 回顾;追溯
(2)v. 回顾;回想;追溯
例句:In retrospect, it's easy to see why we were wrong.
回顾过去就很容易明白我们的错处了。
2、recollection
读音:英 [ˌrekə'lekʃn],美 [ˌrekə'lekʃn]
释义:n. 回忆;记忆力;记忆;回忆起的事物
例句:I have no recollection at all of my childhood.
我完全记不起我的儿童时代了。
