of women, "bare-breasted," 1966, from top (n.1) + -less. Earlier it was used of men's bathing suits (1937) and women's (1964). Earliest sense is "without a visible summit; immeasurably high" (1580s).
雙語例句
1. I wouldn't sunbathe topless if I thought I might offend anyone.
如果我覺得會冒犯任何人，我就不會袒露上身進行日光浴了。
來自柯林斯例句
2. There were rumours that she had posed topless for a magazine.
謠傳她為某雜志拍過半身裸照.
來自《簡明英漢詞典》
3. If you are topless in a public place, this sort of thing is bound to happen.