Telling the time cheat card game

You have a deck of cards some of which have French phrases on them, and a few have 'Trichez!' (Cheat!) on them. Students draw a card. If they have a phrase, they read it out and place the card face down on the discard pile. If they have 'Trichez!' they have to make up a phrase and say it and place the card etc etc. The challenge of the game is that they have to make up the phrase and say it without the other players spotting what they are doing. I give them plastic counters as a way of keeping score,