entrance; to import

to enter; to go into; to join; to become a member of; (bound form) to conform to (as in 入時|入时[ru4 shi2]); abbr. for 入聲|入声[ru4 sheng1]; (on product packaging, after {number n} + {classifier}) containing (n pieces) (from Japanese 入 "iri")

to fall asleep

to go to jail; to be sent to prison

to check in (at a hotel etc); to move into (a house)