(of a vehicle or its engine) undergo a mistimed explosion in the cylinder or exhaust (汽车,发动机)发生回火
(of a plan or action) rebound adversely on the originator; have the opposite effect to what was intended (计划,行动)事与愿违;产生反作用 over-zealous publicity backfired on her. 过分热心的宣传反而对她产生了反作用。
noun
a mistimed explosion in the cylinder or exhaust of a vehicle or engine (汽车或发动机的)回火
(N. Amer.)a fire started deliberately to stop the progress of an approaching fire by creating a burned area in its path (北美)为形成防火隔离带而有意识地点燃的火