dawdle意为“磨蹭，缓慢地做”，dawdle over one’s work就可以理解为磨洋工。

【例句】
He cannot abide his employees dawdling over their work.
他不能容忍他的雇员磨洋工。

When the overseer was not in, most of the workers would dawdle over their work.
只要监工不在, 大多数工人就磨洋工。