We thought that bringing the issue up would lessen tension, but that plan boomeranged. 我们原以为把问题提出来可以缓和紧张形势，不料这一方案适得其反。His attempt to discredit his opponent boomeranged when people began questioning his motives.他试图诋毁竞争对手，但是人们开始怀疑他的动机，这时他只能自食恶果了。The trick boomeranged, though.然而这个花招竟害了自己。The trick boomeranged.这个诡计让始作俑者自食其果。