Sens:
3Dfx Interactive 
n. 3Dfx Interactive, société fondée en 1994, ancien fabricant de chipsets d'accélération graphique 3D, en particulier la série Voodoo et qui fut rachetée par Nvidia Corporation
Ac Idiome
a bare-faced lie
a deliberate lie, a planned lie His statement to the police was false - a bare-faced lie.
a black mark
a mark beside your name means you are bad If you cause an accident, you get a black mark beside your name.
a blackout (TV)
refusal to broadcast an event during that event A blackout is intended to encourage fans to attend an event.
a blackout (war)
a policy that requires lights to be turned off Blackouts prevented bombers from seeing their targets at night.
a contract out on
a contract that pays to have someone killed There's a contract out on Mike. The boss doesn't like him.
a pack of lies
many lies, no truth to it What Gail is saying about Julie is a pack of lies. It's not true.
a piece of the action
a share of the profit or prize or loot Those who paid for the winning ticket get a piece of the action.
a poker face
"a face with no expression; showing no emotion" Judge Brady has a poker face. He doesn't show his emotions.
a sack of hammers
a dead weight, a heavy object Don't throw me in the lake! I'll sink like a sack of hammers!
a sad sack
well-meaning, but unable to accomplish """If you assign this task to Andy, it won't be done. He's a sad sack."""
a tough act to follow
a performance that is not easy to equal Gail danced very well. That is a tough act to follow.
according to Hoyle
according to the rules, if we follow the rules According to Hoyle, it's your turn to deal the cards.
ace
" make an ""A"" on a test, homework assignment, project, etc."
ace in the hole
a hidden strength or talent Sam's ace in the hole is honesty, which his clients soon discover.
Achilles' heel
a weakness, a vulnerable place Jewelry is my Achilles' heel. I buy too much jewelry.
acid test
(See the acid test)
across the board
affecting all people, applies to everything We want a salary increase across the board - for all positions.
act out
explain by movement and gestures Watch - I'll act out the meaning of pacifist.
act up
not work right, give pain or problems My stomach is acting up today. I don't feel well.
actions speak louder than words
people judge by actions more than words, practice what you preach Parents should remember that actions speak louder than words. Kids imitate their parents.
all it's cracked up to be
as good as the ads say, live up to the reports The new computer isn't all it's cracked up to be. It's not so hot.
all over hell's half acre
all over the place, everywhere I left the gate open, and the cows are all over hell's half acre.
all work and no play makes Jack a dull boy
do not work too long, take time for recreation, take time to smell... When I picked up my overtime cheque, Karen reminded me that All work and no play... .
an ace up your sleeve
an important card to play, an important fact to reveal To survive, one needs an ace up one's sleeve - a special talent.
as a matter of fact
to state a fact, in fact, to be perfectly honest The burrowing owl is a protected species. As a matter of fact, it's an endangered species.
at face value
the value shown by the surface, what you see At face value, this car appears to be in good condition.
at peace
feeling peaceful, without worry After talking about his problem he was at peace with himself.
at the crack of dawn
at the first sign of light, at first light At the crack of dawn he would rise, wash and go for a walk.
away to the races
going without a problem, smooth sailing When they approve our business loan, we'll be away to the races.
back at it
having returned to a past habit or occupation, at it again """I was so glad to hear George quit drinking."" ""Well, he's back at it."""
back down
yield, not challenge, not stand up to Ole won't back down from you. He's ready to fight.
back off
do not come closer, do not touch me Back off, you animal! Don't touch me!
back on one
return to good financial or physical health He is finally back on his feet after his company went out of business.
back on one's feet
physically healthy again My mother is back on her feet again after being sick with the flu for two weeks.
back on your feet
feeling better, recovered from an illness When you're back on your feet, we want you to return to work.
back out
decide not to do it, change your mind If you sign your name, you can't back out. You have to pay.
back teeth are floating
have to urinate, need to pee Please watch for a rest room. My back teeth are floating.
back to square one
back to where one started We were forced to go back to square one in our efforts to change the name of the company.
back to the drawing board
go back to start a project or idea from the beginning The boss doesn
back to the grind
return to the job, go back to work After New Year's, it's back to the grind - the old routine.
back to the salt mines
back to work, humorous expression to express going back to unpleasant work Well, lunch is over so let
back-up
saving information on a computer disk Don't forget to make a back-up disk of all your computer files.
back you
support your decision, sign your application His brother will back him if he needs financing.
back yourself into a corner
put yourself in a bad position, have no escape If you buy what you can't afford you back yourself into a corner.
backpack (business)
support, be the parent company First, GM backpacked Saab. Then they bought the company.
backside
buttocks, bum, buns When I was learning to skate, I fell a lot. My backside was sore!
bare-faced lie
(See a bare-faced lie)
behind your back
where you cannot see, when you are not here He says nice things to you, but criticizes you behind your back.
bellyache
complain, whine Don't bellyache about the referee. Just play your best.
bend over backwards
do anything to help, try to please, go the extra mile They'll bend over backwards to find a room for you. They give excellent service.