Slang "passive Nuo Nuo" describes a person who has no opinion, only blindly follows and agrees, and lacks courage and innovative spirit. Such people often lack independent thinking and initiative when making decisions or actions, but only mechanically promise and obey other people's opinions or orders. This attitude is not conducive to personal growth and social progress, because we need people who are brave in practice and innovation, not people who lack their own opinions and do nothing.