Foreigners often make some strange mistakes in Chinese when they study the most difficult language— —Chinese. We try to analyze typical sentences to correct these errors.
Nǐ děnɡ shuí rén?
False: 你等谁人？
Nǐ děnɡ shuí?
True: 你等谁？
“谁”是用来咨询人的，可以单独做宾语。“人”多余。
谁 is an interrogative pronoun referring to a person. It can act as an object indepently, so 人 is redundant.
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