The decision is a hammer blow for the steel industry.

　　這一決定對于鋼鐵業是一個沉重的打擊。

　　The judge brought his hammer down on the table.

　　法官在桌子上敲下他的木槌。

　　I could hear somebody hammering next door.

　　我能聽到隔壁有人在錘打東西。

　　He hammered the wedge into the crack in the stone.

　　他用錘子把楔子砸入石縫里。

　　He was hammering the sheet of copper flat.

　　他正把銅片錘平。