know
单词辨析：
〔辨析〕
指辨认出某人或某物，强调辨认、区分的能力。
〔例证〕
It had been so long, I hardly knew her any more.
过了这么长时间，我几乎认不出她了。
I couldn't see who was speaking, but I knew the voice.
我看不到谁在讲话，但我能听出来。
〔辨析〕
指认出原先见过、听过、经历过的人或事物。
〔例证〕
You've changed a lot. I can hardly recognize you.
你变了很多，我几乎认不出你来了。
He walked along in the shadows, hoping no one would recognize him.
他走在暗处，希望没有人认出他来。
相关例句：
'This country is so awful.' — 'I know, I know.'
“这个国家太糟糕了。”——“的确是，的确是。”
Well, what do you know!
哎呀，真没想到！
The health authorities now know how to deal with the disease
卫生部门现在知道如何对付这种病了。
I don't know how he could do this to his own daughter
真想不到他竟对自己的女儿这样。
It was gratifying to be in the know about important people
了解重要人物的一些内幕真令人高兴。
I'm sorry, George. I know how you feel
我很遗憾，乔治。我理解你的感受。