1580s, "pertaining to bats," from bat (n.2) + -y (2). Slang sense "nuts, crazy" is attested from 1903, from the expression (to have) bats in (one's) belfry, also meaning "not be right in the head" (1899).
实用例句
1. Laura's going a bit batty.
劳拉变得有些古怪。
来自柯林斯例句
2. Aunt Batty loved life as no other human being I ever knew loved life.
蓓蒂姨热爱生活,我从未见过第二个像她这样热爱生活的人.
来自辞典例句
3. The batty a fat chance to marry the slim girl.
那个怪胖子几乎不可能娶到这个苗条女孩.
来自互联网
4. Betty's doctor says her blood pressure is too high.