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a person who is not known or mentioned by name 某人 There's someone at the door. 门口有个人。 Someone's left their bag behind. 有人把包落下了。 It's time for someone new (= a new person) to take over. 现在该换个新人来干了。 It couldn't have been me—it must have been someone else (= a different person). 那不可能是我,准是别人。 Should we call a doctor or someone? 我们要不要请个大夫什么的?
an important person 重要人物 compare nobody