like a (hot) knife through butter
Quickly and easily with very little effort required. (Used to describe both the physical and figurative act of cutting through something.) An industrial machine like that can cut through any material like a knife through butter. Because of his close connections with government officials, he was able to get through the bureaucratic red tape like a hot knife through butter.
like a (hot) knife through butter
very easily; without any resistance or difficulty.like a knife through ˈbutter
(cut/go) through something hard easily: It went through the metal door like a knife through butter.