侠客的英文：
knight-errant

knight是什么意思：
n. 骑士，武士；爵士
v. 授以爵位

A young knight in the service of another knight in feudal times.
侍从封建社会中给其它爵士做侍从的年轻骑士

The knights have trust in the Lord.
骑士们依赖着他们的主公。

The knight struck the sword into the dragon.
骑士用剑刺入龙的身体。

The knights were the tools of the king.
骑士是国王的爪牙。

Knights joust and frolic.
骑士们骑马比武，嬉戏作乐。

errant是什么意思：
a. 周游的,错误的,不定的

Nonsense, errant nonsense, as ever was talked!
废话，彻头彻尾的史无前例的废话！

They always ready to draw a bead on an errant public official
他们总是拿一个误入歧途的官员作靶子。

Somebody's errant leads a converse result.
某些人的错误导致了相反的结果。

Occasionally some flame would come in pursuit of her errant swain.
偶尔也有情人追来寻找她行踪飘忽的情郎。

An errant husband is one who leaves his wife for other women
走邪路的丈夫是指离开自己的妻子去跟别的女人私通的人。