简单释义：

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adj. 犯错误的；行为不当的；出格的；对配偶不忠的

n. 游侠

网络 周游的；漫游的；漂泊的

完整释义：

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adj.

1.走错了的;错误的,迷路的
2.(冒险)周游的,漂泊的,漫游的
3.无定的,移动的
4.迷途的
5.蜂拥而去的

n.

1.游侠

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例句：

1. The thesis focuses on how the poets dealt with the errant knight subject, choosing the thematic and imagery analysis.
   本文运用主题学和形象分析的方法，重点探讨南北朝诗人对游侠题材的处理方式。

2. The manager was no fool to be led blindly away by such an errant proposition as this, but his situation was peculiar .
   经理可不傻，还不至于会盲目地被这样的一念之差引入岐途，但是他今天的情况特殊。

3. Better to save that great accounting for a time when voters care about something bigger than the dodgy expenses of some errant MPs.
   最好还是把这次最后审判留到一个好时机，这时投票者所关心的，不再是几个犯错的议员偷偷摸摸乱报开支这种小事。

4. Qing folk Jian was also called knight-errant Jian, which is used by knight-errant, and it has no original scabbard usually.
   清民间剑也称侠客剑，行走江湖之人所用，一般无原鞘。

5. Researchers this year turned a searchlight on the errant DNA that leads tumor cells to grow out of control.
   今年研究人员把注意力放到了导致肿瘤细胞失控的错误DNA上。

6. In fiction, the adventurer figure or Picaro may be regarded as a descendant of the knight-errant of Medieval romance.
   在小说里，冒险者此一角色可以认为是源自于中世纪罗曼史中的游侠骑士。

7. for a knight-errant without love was like a tree without leaves or fruit, or a body without a soul.
   没有爱情的游侠骑士就好像一棵树无叶无果，一个躯体没有灵魂。

8. In theory, if joint liability was designed properly, errant countries would be stopped from going on a bender at other Europeans' expense.
   从理论上说，如果共同责任设计合理，就可以防止误入歧途的国家通过牺牲其他欧洲国家的利益大肆享受。