I don't know for sure if she's coming to the party.
know by heart
Frequency:
60
%
She knows the lyrics to that song by heart.
know inside out
Frequency:
50
%
He knows the details of the project inside out.
know like the back of your hand
Frequency:
45
%
She knows this neighborhood like the back of her hand.
know by name
Frequency:
40
%
I know the waiter at that restaurant by name.
Idiomatic Expressions for know
Phrase: know inside out
Meaning: To be extremely familiar with something; to know every detail or aspect of something.
Usage: After studying for hours, she knows the material inside out and is ready for the exam.