plain as a haystackとは 意味・読み方・使い方

形容詞

plain as a haystack (not comparable)

1. (simile) Extremely clear and plain to see.
   • 1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, OCLC 1167497017, page 62:

     `Two things are clear to me,' I said, addressing my three companions, who stared at this spectacle in dismay: `first, that we can't go across there' (I pointed to the swamp), `and, secondly, that if we stop here we shall certainly die of fever.' `That's as plain as a haystack, sir,' said Job.