Idioms
knock oneself out (doing something)
to make a great effort doing something
We knocked ourselves out trying to make the party successful.
knock the props out from under (someone)
know (someone or something) by sight
know (someone or something) like a book
know (someone or something) like an open book
know (someone or something) like the back of one's hand
know (something) backwards and forwards
know (something) by heart
know (something) from memory
know (something) inside out
know (something) is coming
Idioms Quiz
keep an eye out for (someone or something)
find it in one's heart to (do something)
come down to (something)
take a dim view of (something)
go stir-crazy
back in circulation
on the ball
come up to (someone or something)
come to terms with (someone or something)
school of hard knocks
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Fact
Your skin is the heaviest organ
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