mid-14c., "a destroyer," agent noun from lose (v.). Sense of "one who suffers loss" is from 1540s; meaning "horse that loses a race" is from 1902; "convicted criminal" is from 1912; "hapless person" is 1955 student slang.
实用例句
1. You are a very bad loser Lou, aren't you?
卢，你这人输不起，不是吗？
来自柯林斯例句
2. It is upsetting to discover that you have backed a loser.
发现自己的投注对象输了是一件让人心烦的事。
来自柯林斯例句
3. The referee's decision was contested by the loser.
负方对裁判的裁决有异议.
来自《简明英汉词典》
4. As well, he earned a two - picture and filmed 2000's and Girls and Loser to fulfill it.