up the ante(Meanwhile, the Swiss Olympic Organizing Committee had already formally accepted the AHA application when the executive committee of the International Olympic Committee offered its opinion that both U.S. entries be denied. On January 20, the U.S. Olympic Committee upped the ante by voting 68-6 in favor of withdrawing all American athletes from the Games if the AHA were allowed to participate.rihhof.comVLZ_58)
add fuel to the flames(add fuel to the fire/flames – to make an argument or disagreement worse e.g. Rather than providing a solution, their statements merely added fuel to the fire.)
add fuel to the flame(усугубить: By jumping on John Beth's father only added fuel to the flame of his daughter's love to this guy. == Постоянными "наездами" на Джона отец Бэт лишь только подливал масла в огонь любви своей дочери к этому парню.)
add fuel to the fire(add fuel to the fire/flames – to make an argument or disagreement worse e.g. Rather than providing a solution, their statements merely added fuel to the fire.)