(in the Middle Ages) a man of high social rank who had a duty to fight for his king. Knights are often shown in pictures riding horses and wearing armour. （中世纪的）骑士 tales of medieval knights errant, wandering in search of chivalrous adventures 中世纪游侠到处历险的故事
Homophones knight | nightknight nightTopics Historyb2- knight noun
The story tells of a knight who leaves the castle to fight a dragon. 这个故事讲述了一个骑士离开城堡去与一条龙战斗。
- night noun
At night you can see thousands of stars. 晚上你可以看到成千上万颗星星。
Oxford Collocations Dictionaryadjective- medieval
- chivalrous
- noble
- …
- a knight errant
- a knight in armour/armor
- a knight in shining armour/armor
- …
(in the UK) a man who has been given a special honour by the king or queen and has the title Sir before his name （英国）爵士（其名前冠以 Sir） a piece used in the game of chess that is like a horse’s head in shape （国际象棋中的）马 
More Like This Silent lettersSilent letters
Word OriginOld English cniht ‘boy, youth, servant’, of West Germanic origin; related to Dutch knecht and German Knecht. Sense (2) dates from the mid 16th cent.
Idioms
a knight in shining armour
- (usually humorous)
a man who saves somebody, especially a woman, from a dangerous situation 救人（尤指女子）于危难之中的男子；（拯救美人的）英雄 She's still waiting for a knight in shining armour to come and rescue her. 她仍在等待身着闪亮盔甲的骑士来救她。