鉄てつの固かたまり

noun

lump of iron; iron mass; iron ingot

Refers to a solid piece or mass of iron, often unworked or raw. Can be used literally or figuratively to describe something very hard or heavy.

• 工こう場じょうの前まえに大おおきな鉄てつの固かたまりが置おいてあった。

  A large lump of iron was placed in front of the factory.

• この機き械かいは鉄てつの固かたまりのように重おもい。

  This machine is as heavy as a lump of iron.