他根本不知道這件事。
He doesn't know about this matter at all.
Listen to pronunciation
Example sentences
我想知道真相。
I want to know the truth.
你應當知道這件事。
You ought to know this matter.
這件事我當然知道。
Of course I know about this matter.
我不知道他遲到的原因。
I don't know the reason for his lateness.
Usage Notes
Used for knowing facts, information, or understanding a situation.
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