what

▪People ask a lot about weapons, what I used as a sniper, what I learned on, what I prefer. [Chris Kyle with Scott McEwen and Jim DeFelice, American Sniper]

具体的な数量を述べる際の言い淀み。「その, まあ」
▪The lady appeared at court at the Christmas of 1521, dancing in a yellow dress. She was— what?—about twenty years old. [Hilary Mantel, Wolf Hall]

関係形容詞.「少ないながらその全て」という含み。
▪What windows there were looked out upon a wide expanse of dusky English rain so that Mr Segundus could not make out the view nor guess where in the house they stood. すべての Susanna Clarke Jonathan Strange & Mr Norrell *

A is to B what C is to D「AのBに対す る関係はCのDに対する関係と同じである」
▪Tapestries, he [William Morris] said, were to the North of Europe what fresco was to the South—our climate, amongst other reasons, guiding us in our choice of material for wall-covering. England, France, and Flanders were the three great tapestry countries—Flanders with its great wool trade being the first in splendid colours and superb Gothic design. [Oscar Wilde, Mr. Morris on Tapestry]