as if的意思是犹如，好似。
读音：[æz ɪf]
固定搭配：look as if看起来似乎；as if by magic不可思议地；seem as if看上去好象；it seems as if 仿佛象是；as if you're never hurt 好象从未受过伤害 ; 仿佛你从未被伤害 ; 好像你从未受伤 ; 就好像你从未受伤。
例句
1、I ate as if there was no tomorrow.
我狼吞虎咽地吃着。
2、I feel as if I should break into song.
我感觉我似乎应该开始歌唱。
3、He looked as if nothing could faze him.
他显得镇静自若，遇事不惊。
