不速 bùsù uninvited Origin Definitions Defs Strokes Stroke Words Sentences Sents 不速之客 bùsùzhīkè uninvited guest (idiom) an uninvited or unexpected guest; someone who arrives without being summoned; literally "a guest who has not been invited"不速而至 bùsù'érzhì to arrive uninvited To arrive without invitation; an unexpected guest or an unwanted presence.