Like a knife through butter
Definition 1 of 1
Pro Tip 1/3Idiomatic Usage
This phrase is an idiom, meaning its figurative sense is different from the literal meanings of its words. 
Our new software sliced through data analysis like a knife through butter.
Pro Tip 2/3Visual Imagery
Imagine how easily a hot knife would cut through butter to grasp the ease implied in tasks or actions. 
The experienced skier went down the slope like a knife through butter.
Pro Tip 3/3Informal Tone
Typically used in casual or informal situations, not in formal writing or speeches. 
She handled the negotiations like a knife through butter.