1·I had to use our sledgehammer to drive the pegs into the side of the path.
我不得不用我们的大锤把桩子砸进路边。
—— 《柯林斯英汉双解大词典》
2·Today women are marching into the workplace in ever larger Numbers and taking a sledgehammer to the remaining glass ceilings.
今天越来越多的女性正雄赳赳气昂昂地跨入职场，扛着大锤，砸向依然存在于职场中的阻碍她们晋升的隐形天花板。
3·“Give yourself the sledgehammer test,” Ms. Garrett said.
加勒特女士说：“体会一下用大锤砸你脑袋的感觉。
4·Every time our inner light tries to glow, our minds react like a sledgehammer, with harsh thoughts that inhibit us from moving forward.
每次我们的内心之光试着发出耀眼的光芒，思维便如条件反射般拿出它的大锤，狠狠击打在我们前进的路上。
5·One worker gives a misbehaving funnel a good whack: "you can never stop an operator using a sledgehammer, " a plant manager says.
这里我的理解是工人重击有故障的烟囱。所以工厂经理说：“没法阻止操作工用大锤”。对应前文说的工人质素提高了，其实有些做法还是改不过来。