無む益えき有ゆう害がい

Meanings

1

noun, na-adjective

useless and harmful

yojijukugo (four-character idiom)

A yojijukugo describing something that is not only pointless but also damaging. Often used in formal or critical contexts.

その計けい画かくは無む益えき有ゆう害がいだと批ひ判はんされた。
The plan was criticized as useless and harmful.
無む益えき有ゆう害がいな議ぎ論ろんを続つづけるよりも、具ぐ体たい的てきな解かい決けつ策さくを考かんがえよう。
Rather than continuing a useless and harmful debate, let's think of concrete solutions.