一阵

一阵	yī zhèn	a burst / a fit / a peal / a spell (period of time)
一	yī	one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit
阵	zhèn	disposition of troops / wave / spate / burst / spell / short period of time / classifier for events or states of short duration