1. Sorry, I didn’t recognize you.
recognize 的用法：
派生词：
recognition n. 赞誉，承认，重视，公认，赏识，识别
知识梳理：
①认出,识别;认识
The policeman recognized her as a pickpocket.
警察认出她是个小偷。
He looked at the envelope and recognized Jenny's handwriting immediately.
他看了看信封,马上认出是珍妮的笔迹。
②正式承认;认可,认定
Many countries recognized the new government.
许多国家承认了新政府。
