- sketchy (adj.)
[sketchy 词源字典]
- 1805, "having the form or character of a sketch," from sketch (n.) + -y (2). Colloquial sense of "unsubstantial, imperfect, flimsy" is from 1878, perhaps via the notion of "unfinished." Related: Sketchily; sketchiness.[sketchy etymology, sketchy origin, 英语词源]