•I hadn't seen her for 20 years, but I recognized her immediately.我20年没见她了，但我还是一眼就认出了她。

•"Do you recognize this song?"“你听出这首歌来了吗？”

•Doctors are trained to recognize the symptoms of different diseases.医生受过训练可以辨识出不同疾病的症状。

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•The international community has refused to recognize (= officially accept the existence of) the newly independent nation state.国际社会拒绝承认这个新独立的国家。

•[+ (that)] He sadly recognized (that) he would die childless.他接受了这个悲哀的事实：他将无儿无女、孤苦伶仃地度过残生。

•You must recognize the seriousness of the problems we are facing.你必须认识到我们现在面临的问题有多严重。

•The Prime Minister recognized her services to her country by awarding her an MBE.首相授予她不列颠帝国勋章，以表彰她对国家的贡献。