In the film 流浪地球, why is a character nicknamed '户口'?
The main character's name is 刘启
Break his first name 「启」 apart, and you'll get 「戶口」. That's how his nickname came about.
The character 启 contains the meaning of &quot;enlighten&quot;. It has nothing to do with 戶口 (household).
It only works in simplified Chinese, The Traditional characters for 刘启 are 劉啟