無む用ようの長ちょう物ぶつ

expression

useless object; white elephant; boondoggle

A set phrase describing something that is not only useless but also takes up space or resources; often implies it is more trouble than it's worth. Comparable to 'white elephant' or 'boondoggle'.

• この大おおきな花か瓶びんは無む用ようの長ちょう物ぶつだ。

  This big vase is a white elephant.

• 使つかわない機き械かいが倉そう庫こで無む用ようの長ちょう物ぶつになっている。

  The unused machine has become a useless object in the warehouse.