A den or nest for thieves and criminals

To stay at home and refuse to leave; to bury oneself at home rather than being active or productive.

To be extremely sincere or honest; to speak from the bottom of one's heart or reveal one's innermost thoughts and secrets.

winter shoes typically made of woven straw or fabric and lined with animal hair or cotton for warmth

living quarters or station for people who sell or transport water

(dialect) An unlicensed or unregistered prostitute or brothel; also known as [[私科子|私科子|si1 ke1 zi5]].

a mass or cluster of something, such as hair or thread

To go deep into a criminal group to investigate their secrets or scout their base

(literary) A place in old Beijing where water-peddlers lived and gathered near a well.