Know Something Inside Out Idiom American Expressions and American Idioms - What does Know Something Inside Out Idiom mean?

This database is a comprehensive collection of all the American idioms and slang available. American Idioms are many and varied. We hope you enjoy our collection. We are adding more all the time. .

know something inside out What does know something inside out mean?	know/understand something thoroughly.	"If you have a question about grammar, ask Dr. Martin.She knows grammar inside out."
know (something) inside out What does know (something) inside out mean?	to know something thoroughly	I know the history of our city inside out.
	Some Random Idioms
shellac What does "shellac" mean?	defeat somebody (often in a game or other contest)
all sweetness and light What does "all sweetness and light" mean?	to be very sweet, to be innocent and helpful	The girl is all sweetness and light after she does something bad.
give (someone) the benefit of the doubt What does "give (someone) the benefit of the doubt" mean?	to assume/believe that someone is right or innocent of something	I gave the man the benefit of the doubt but I still think that he is lying.

at times What does "at times" mean?	sometimes, occasionally	At times, our teacher is very nice but at other times she is not nice.
in the twinkling of an eye What does "in the twinkling of an eye" mean?	very quickly	In the twinkling of an eye the little boy disappeared in the department store.
Nature abhors a vacuum What does "Nature abhors a vacuum" mean?	This idiom is used to express the idea that empty or unfilled spaces are unnatural as they go against the laws of nature and physics.
wear more than one hat What does "wear more than one hat" mean?	to have more than one set of responsibilities	Our teacher wears more than one hat. She is the head of the school board as well as the coach of the swim team.
get (someone's) back up What does "get (someone's) back up" mean?	make someone become angry	I got my friend's back up when I again asked her to borrow her notes from school.

American Idioms and Expressions

Know Something Inside Out Idiom