"frankfurter," 1906, with slang sense of "penis" following soon after, from German wienerwurst "Vienna sausage" (see wiener). Meaning "ineffectual person, effeminate young man" is slang from 1963; pejorative sense via penis shape, or perhaps from weenie in the sense of "small" (see wee).
权威例句
1. Don't be such a weenie!
别这么窝囊!
2. What are you being such a weenie for?
你干嘛这么小家子气?
3. So you have to make things rough for them weed out the weenie trees early on.
所以你得把它们的生长环境变得艰苦些,尽早淘汰那些弱不禁风的树.
4. What are you being such a weenie for ? So he has a Barbie. Big deal.