mid-12c., crafti, from Old English cræftig "strong, powerful," later "skillful, ingenious," degenerating by c. 1200 to "cunning, sly" (but through 15c. also "skillfully done or made; intelligent, learned; artful, scientific") from craft (n.) + -y (2). Related: Craftily; craftiness.
权威例句
1. That was my crafty little plan.
那是我的小妙计。
2. He's a crafty old devil.
他是个奸诈狡猾的家伙。
3. This fellow is very crafty; we had better be on our guard.