clicketyclack

n.(尤指行驶中火车发出的急促而有节奏的)咔哒咔哒声

指打字或击键时产生的连续的咔嗒声音

名词

She couldn't focus on her work because of the constant clickety-clack coming from her coworker's keyboard.
因为同事的键盘不停地发出咔嗒声，她无法集中注意力工作。