V-ERG
(使)咔嗒作響;(使)啪啪作響
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...
擋風玻璃上的雨刷咔嗒咔嗒來回擺動。
I clacked one ski against the other and almost tripped.
我的一個雪橇板咔嗒一聲撞在另一個上面，差點把我絆倒。