一板一眼 yībǎnyīyǎn methodical Definitions Defs Origin Strokes Stroke Words Sentences Sents 一 yī numeral one one; the number 1; single; alone板 bǎn beat clappers used to mark time in music; an accented beat; measure or tempo in Chinese music一 yī numeral one one; the number 1; single; alone眼 yǎn beat (bound form) weak beat in traditional Chinese opera music