-helpintensifythestrengthofbillowsandwaves;addfueltotheflame;aggravateacomplicatedsituation;eggsb.on(todosth.);encourageandincreasesb.'sinfluence;fanthefire;followandhastenthemovementofwaves--toaggravateadisputebyathirdparty;increasetroubles;intensifytrouble;makeastormyseastormier;takeupanother'squarrel