一阵 yīzhèn HSK7 a burst Definitions Defs Origin Strokes Stroke Words Sentences Sents yīzhèn a burst 一 yī numeral one one; the number 1; single; alone阵 陣 zhèn numeral [short duration] Used for events, states, or natural phenomena that last for a short period of time, such as a burst of rain, a round of applause, or a spell of pain.yīzhèn a period of time 一 yī numeral one one; the number 1; single; alone阵 陣 zhèn numeralnoun period of time A period of time; a spell; a stage of life or a particular moment.