boomerang

noun

1. a miscalculation that recoils on its maker

Synonym: backfire

2. a curved piece of wood
when properly thrown will return to thrower

Synonym: throwing stickthrow stick

verb

1. return to the initial position from where it came
like a boomerang

1. 飞去来器，回力镖（澳大利亚土著人最先使用）
A boomerang is a curved piece of wood which comes back to you if you throw it in the correct way. Boomerangs were first used by the people who were living in Australia when Europeans arrived there.

2. （计划）起反作用，使自食其果
If a plan boomerangs, its result is not the one that was intended and is harmful to the person who made the plan.

e.g. The trick boomeranged, though...
然而这个花招竟害了自己。
e.g. He risks defeat in the referendum which he called, but which threatens to boomerang against him.
他冒着失败的危险进行他所谓的“公投”，但这恐怕会反过来对他不利。

1. 回力镖：沿街而设的,有冰激淋和咖啡店,更有琳琅满目的商铺在兜售着各类澳洲特色纪念品如鳄鱼皮革制品、考拉和袋鼠玩偶等,或粗或细的迪吉里杜管(Didgeridoo)和或大或小回力镖(Boomerang)上,彩绘着看不懂的土著符号,古老而神秘.