V-ERG
				(使)咔嗒作响;(使)啪啪作响
				If things clack or if you clack them, they make a short loud noise, especially when they hit each other.
例句
						The windshield wipers clacked back and forth...
						挡风玻璃上的雨刷咔嗒咔嗒来回摆动。
						I clacked one ski against the other and almost tripped.
						我的一个雪橇板咔嗒一声撞在另一个上面,差点把我绊倒。