一转眼 yīzhuǎnyǎn in the blink of an eye Definitions Defs Origin Strokes Stroke Words Sentences Sents 一 yī adverbnumeral [suddenness] Used before a verb to indicate that an action or situation occurs suddenly or unexpectedly.转眼 轉眼 zhuǎnyǎn numeral in the blink of an eye Describes a very short period of time; in a flash or an instant