知道 vs 认识

Know a fact vs. know a person: 知道 facts, 认识 acquaintances.

知道

zhīdào · ㄓㄉㄠˋ

to know; to become aware of; also pr. [zhi1dao5]

我知道。

I know.

认识認識

rènshi · ㄖㄣˋ ㄕˊ

to know; to recognize; to be familiar with

我认识她。

I know her.

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