"having sharp edges," 1755, from edge (n.) + -y (2). Meaning "tense and irritable" is attested by 1837, perhaps from notion of being on the edge, at the point of doing something irrational (a figurative use attested from c. 1600). Related: Edgily; edginess.
权威例句
1. She was nervous and edgy, still chain-smoking.
她紧张不安,还在一根接一根地抽着烟。
2. She's been very edgy lately.
她近来一直烦躁不安。
3. She's been a bit edgy lately, waiting for the exam results.
她正在等待考试结果,所以最近有些焦躁不安.
4. She's always been an edgy type of person.
她一向就是那种情绪紧张的人.
5. So that's why you've been edgy since this morning?