第四声 dìsìshēng fourth tone Origin Definitions Defs Strokes Stroke Words Sentences Sents 第 dì affix [ordinal] Prefix used before a number or the question word 几 jǐ to form an ordinal number indicating sequence or rank四 sì numeral fourth the fourth in a sequence or rank声 聲 shēng tone (bound form) tone of a character or syllable; the musical pitch of a sound