As if

例句：

1. 1. She looked at him with a smile as if she had just heard the best news.
   她微笑着看着他，好像刚听到最好的消息。
2. 2. He walked into the room as if he owned it.
   他走进房间，好像他拥有它一样。
3. 3. The movie was so good that I couldn't stop watching as if I were in the theater.
   电影太好看了，我忍不住一直看，就好像自己在电影院里一样。