|up to par
||good enough to pass, up to a standard
||This woodwork is not up to par. It's below our standard.
|up to scratch
||good enough, up to par
||The cloth in these jeans is poor quality. It's not up to scratch.
|up to snuff
||good quality, measure up
||We expect quality photographs - every picture must be up to snuff.
|up to something
||trying to make a deal, planning a joke
||David is up to something. He has a look of mischief in his eye.
|up to speed
||at normal speed, feeling healthy again
||Tim's recovered from his surgery but he's not up to speed yet.
|up to you
||your choice, your decision
||Whether you go or stay is up to you. It's your decision.
||support it, this is good
||Millie was waving a flag and shouting, "Up with fluoride!"
|up your alley
||what you like to do, what interests you
||Sewing - that's right up your alley. It's one of your hobbies.
|up your sleeve
||hidden, ready to use if asked
||When I write an exam, I like to have a topic up my sleeve.
|up yours [B]
||I hope you have an accident, screw you
||When she told him to get out of the house, he said, "Up yours!"