|know the ropes
||know how, have much experience, learn the ropes
||Good managers know the ropes. They have skills and experience.
|know the score
||know what is happening, in the know, know your stuff
||The leader of the party should know the score. He or she should be well informed.
|know where we stand
||know our position, know if we have a chance, leave me hanging
||The Department hasn't replied to our application for assistance, so we don't know where we stand.
|know which end is up
||know where you are, know what to do next
||With so many problems, he doesn't know which end is up.
|know which side your bread is buttered on
||know who pays your salary, If you refuse extra work, you have common sense, bite the hand that feeds...
||don't know which side your bread is buttered on.
|know your stuff
||know a lot, know facts, have the answers
||In calculus, Tara knows her stuff. She can solve difficult problems.
|know your way around
||know how to survive, be worldly wise
||To live on the street, you have to know your way around.
||work harder, achieve more
||If you knuckle down and study, you can pass this exam.
||one who does not think, doughhead
||What a knucklehead! He made the same mistake ten times.
||crazy, hairbrain, nuts
||Just because I eat insects doesn't mean I'm kooky.