know something like the back of your hand
The phrase "know something like the back of your hand" means to have a thorough and deep knowledge or understanding of something. It implies familiarity and familiarity to the point of being able to recall or recognize every aspect or detail without difficulty, just like the back of one's hand which is a part of the body that is known and recognized instantly.
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
Play Just Saying - the word game that makes learning idioms a good time on your mobile phone or tablet.
- idle hands are the devil's tools
- dead eye
- on the wagon
- a penny for your thoughts
- apples and oranges
- know something like the back of your hand
- tough cookie
- read the tea leaves
- go out on a limb
- out of luck
- cup of joe