(bound form) to tell; to inform; to report or explain to a superior or elder; also used as a shorthand for 告诉 gào​sù in casual speech

(bound form) used in polite phrases to thank a host for their hospitality or to apologize for the intrusion

to accuse; to bring a legal action against someone; to denounce or report a crime to the authorities

to disturb; to bother; to harass; to trouble