The idiom "nook and cranny" originated from the literal architectural features of buildings, specifically referring to small, hidden spaces or corners. A "nook" refers to a small, secluded area or recess, while a "cranny" denotes a narrow opening or crevice. The phrase is used to emphasize the thorough exploration of every nook and cranny, suggesting a meticulous search or examination of even the tiniest and most concealed areas.

“nook and cranny”的英语定义和含义

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