Matching Pairs SPORTS IDIOMS IDIOMA VIOnline version Vocabulary practice by Marcy Selene Romero Rodriguez 1 be on the ball 2 score an own goal 3 take your eye of the ball 4 a level playing field 5 a whole new ball game 6 start the ball rolling 7 move the goalposts a fair situation Change the rules making something more difficult do or say something which has the opposite result start something happening a completely new or different situation lose concentration able to think or react very quickly