||The concert is under way. The band is playing O Canada.
||secret, not advertised, on the QT
||I know the name of the winner, but I have to keep it under wraps until tonight.
|under your thumb
||under your control, doing your wishes
||Willie is under your thumb now. He does what you tell him to do.
||the player or team that is not likely to win
||The Sharks are underdogs this year. People say they won't win.
||not legal, not according to rules, not above board
||Some people say the government was underhanded in dealing with the Indians.
||great person who has not been honored or praised, behind the scenes
||The mothers of the graduates are the unsung heroes. The mothers are Homework Supervisors!
|until you're blue...
||(See till you're blue in the face)
|up a storm
||(See sing up a storm)
||competing against, trying to defeat
||"Who were you up against?" "Gaetan Boucher, the Champion."
|up against it
||poor, not able to pay the bills, hard up
||We were up against it that year. The crop had failed, we had lots of bills, and none of us had a job.