第一声 dìyīshēng first 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一 yī numeral one one; the number 1; single; alone声 聲 shēng tone (bound form) tone of a character or syllable; the musical pitch of a sound