出典:Wiktionary
From white + whale. The figurative senses refer to the novel Moby-Dick (1851) by the American writer Herman Melville (1819–1891), in which Captain Ahab relentlessly pursues a rare albino sperm whale.[1][2]
white whale (複数形 white whales)
white whale
白いひげ
クジラジラミ
a pure-white arrow called 'yukijiro'
コナジラミ
white-plumed egrets
オオギハクジラ