n. a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine
n. a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path
n. a miscalculation that recoils on its maker
v. come back to the originator of an action with an undesired effect
n. 逆火, 回火, 放火
vi. 放逆火, 预先放火, 发生意外
1. The new marketing strategy may backfire if we don't know our audience well.
如果我们不了解我们的受众，新营销策略可能会适得其反。
2. His plan to surprise her on her birthday backfired when she found out about it early.
他在她生日那天给她一个惊喜的计划适得其反，因为她提前知道了。
3. If you don't follow the rules, your actions could backfire and create more problems.
如果你不遵守规则，你的行为可能会适得其反，造成更多问题。