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Resources
Expressing 'to know' with 知道 (zhīdào)
Actions & Events
Questions
Structure
Subject + 知道 + Clause
Explanation
知道 (zhīdào) means 'to know' in the sense of being aware of a fact or piece of information. It is different from 认识, which means 'to know' a person or 'to recognize.' For example, 她知道它藏在哪里 means 'she knows where it is hidden.'
Examples
你知道明天的考试在哪个教室吗？
Nǐ zhīdào míngtiān de kǎoshì zài nǎge jiàoshì ma?
Do you know which classroom tomorrow's exam is in?
我不知道他为什么突然生气了。
Wǒ bù zhīdào tā wèishéme tūrán shēngqì le.
I don't know why he suddenly got angry.
她知道这件事已经很久了。
Tā zhīdào zhè jiàn shì yǐjīng hěn jiǔ le.
She has known about this matter for a long time.