Break a fly on the wheel

小題大作

要打死一隻蒼蠅,本來是毫不費力氣,如果出動巨大的輪子壓碎它,未免小題大作了。這句與中文中的 殺雞焉用牛刀 有同樣意思。

eg. It is very easy to work out the answer to this problem. I'm sure you can do iy yourself. You don't have to ask so many people to work with you. You are, In fact, breaking a fly on the wheel.