騎士的英文：
a knight; a cavalier; a horseback rider

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。

cavalier是什么意思：
n. 骑士，武士
adj.
1. 漫不经心的，傲慢的，目空一切的
2. 殷勤的，有礼貌的
3. (C-)（英国查理一世时代）保王党的
4. 自由自在的；快活的；磊落豪爽的
5. 贵族的

The cavaliers rushed into the palace to protect the king.
武士们冲进宫里保护国王。

Display a cavalier attitude towards the feelings of others
对别人的感情满不在乎

People were often irritated by his cavalier attitude toward them.
人们常常被他目空一切的态度弄得恼火。

horseback是什么意思：
n. 马背
ad. 在马背上,骑在马上

Set a beggar on horseback and he'll ride to the devil
小人得意,忘乎所以

Set a beggar on horseback and he'll ride to the devil.
叫化子发财必然忘乎所以。

Misforunes come on horseback and go away on foot
遭灾易,消灾难