know verb (HAVE INFORMATION)
A1 [ I or T, not continuous ] to have information in your mind
知道，熟悉，瞭解 "Where did he go?" "I don't know."
「他上哪裡去了？」「我不知道。」
"What does it cost?" "Ask Kate. She'll know."
「這個要多少錢？」「問凱特，她知道。」
I don't know anything about this.
我對此一無所知。
I don't know (= understand) what all the fuss is about.
我不明白爲甚麼要這麼大驚小怪。
[ + obj + to infinitive ] Even small amounts of these substances are known to cause skin problems.
我們知道這類物質即使是一丁點也會損害皮膚。
A1 [ T not continuous ] used to ask someone to tell you a piece of information
（用於詢問資訊）知道 Do you know the time?
你知道幾點嗎？
A2 [ I or T, not continuous ] to be certain
確知；確信More examples
- "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)
B1 [ T not continuous ] to be familiar with or have experience and understanding of
認識；熟悉 I've known Daniel since we were at school together.
從我們一起上學開始，我就認識丹尼爾。
She grew up in Paris so she knows it well.
她在巴黎長大，對那裡很熟悉。
I've seen the film "Casablanca" so many times that I know a lot of it by heart (= I know it in my memory).
我看過電影《北非諜影》很多遍，對許多情節我都滾瓜爛熟。
Knowing Karen (= from my experience of her in the past), she'll have done a good job.
據我對莎拉的瞭解，她會做得很好。
B1 [ I or T, not continuous ] also know about If you know a subject, you are familiar with it and understand it.
知曉，通曉 Do you know about computers?
你懂電腦嗎？
She knows her subject inside out (= very well).
她精通自己的學科。
A2 [ T not continuous ] If you know a language, you can speak and understand it.
通曉（語言）；會 Do you know any French?
你會法語嗎？
› [ T not continuous ] to recognize someone or something
認出；辨認出know how to do sth
get to know sb/sth
know sb by sight
More examples
- 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.
