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hammer
hopeless swimmer; person who can't swim; someone who sinks like a stone
不正に対して鉄鎚を下すべきだと世論が高まった。
Public opinion grew that a hammer blow should be delivered against the fraud.
鉄鎚で岩を砕く作業が一日中続いた。
The work of smashing rocks with an iron hammer continued all day.
裁判官は犯罪者に正義の鉄鎚を下した。
The judge brought down the hammer of justice on the criminal.