know verb (HAVE INFORMATION)
"Where did he go?" "I don't know." “他上哪儿去了？”“我不知道。”
"What does it cost?" "Ask Kate. She'll know." “这个要多少钱？”“问凯特，她知道。”
I don't know anything about this. 我对此一无所知。
[ + obj + to infinitive ] Even small amounts of these substances are known to cause skin problems. 我们知道这类物质即使是一丁点也会损害皮肤。
Do you know the time? 你知道几点了吗？
- "Will the table fit in here?" "I don't know - let's measure it."
- I still don't know whether she's coming or not.
- It's a bit suspicious that no one knows where he was at the time of the murder.
- No one knew how many troops had died in combat.
- "He's been married three times." "Oh, really? I didn't know that!"
know verb (BE FAMILIAR WITH)
I've known Daniel since we were at school together. 从我们一起上学开始我就认识丹尼尔。
She grew up in Paris so she knows it well. 她在巴黎长大，对那儿很熟悉。
I've seen the film "Casablanca" so many times that I know a lot of it by heart (= I know it in my memory). 电影《卡萨布兰卡》我看过很多遍，对很多情节我都烂熟于心。
Knowing Karen (= from my experience of her in the past), she'll have done a good job. 据我对萨拉的了解，她会干得很好。
Do you know about computers? 你懂电脑吗？
She knows her subject inside out (= very well). 她精通自己的学科。
Do you know any French? 你会法语吗？
know how to do sth
get to know sb/sth
know sb by sight
- I know the first verse of the song, but I don't know what comes next.
- If you don't know what the word means, look it up in a dictionary.
- It's always awkward when you meet someone you know, but you can't remember their name.
- He knows a lot of people, but only one or two that he'd call close friends.
- I hope she knows where to get off the bus.