1
- a dishonest or unprincipled man无赖, 流氓, 恶棍：
you are a rogue and an embezzler.
你是个无赖和贪污分子。
1.1
- a person whose behaviour one disapproves of but who is nonetheless likeable or attractive (often used as a playful term of reproof)淘气鬼, 调皮鬼, 捣蛋鬼（常用作半真半假的责备之词）：
Cenzo, you old rogue!
森佐, 你这个捣蛋鬼！
2
- usu. as modifier an elephant or other large wild animal driven away or living apart from the herd and having savage or destructive tendencies野生的离群兽; 野生的离群象：
a rogue elephant.
一只野生的离群象。
2.1
- a person or thing that behaves in an aberrant, faulty, or unpredictable way行为反常（或错误、无法预测）的人（或物）：
he hacked into data and ran rogue programs.
他非法闯入数据库, 运行反常程序。
2.2
- a horse inclined to shirk on the racecourse or when hunting（赛马、打猎时）偷懒的马。
2.3
- an inferior or defective specimen among many satisfactory ones, especially a seedling or plant deviating from the standard variety（尤指苗木或植物的）劣种, 杂种。
with obj.
- remove inferior or defective plants or seedlings from (a crop)除去（劣种, 杂种）; 为（田地）的作物去劣（或去杂）。
词源
mid 16th cent. (denoting an idle vagrant)： probably from Latin rogare 'beg, ask', and related to obsolete slang roger 'vagrant beggar' （many such cant terms were introduced towards the middle of the 16th cent.）.