screen door on a submarine

名词 n.

英文释义

名词 n.
  1. Something that is useless or absurd. idiomatic
    — But realists put the final number of jobs saved through privatisation at no more than 800. "It's about as useful to us as a screen door on a submarine," says an angry mayor's office in Sacramento .

词形变化

screen doors on a submarine plural screen doors on submarines plural

词源

A screen door on a submarine would be absurd as it would allow the vessel to fill with water.
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