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(英国国王或女王授予的)爵士头衔,骑士头衔,爵士称号,骑士称号(其名前冠以Sir)
A knighthood is a title that is given to a man by a British king or queen for his achievements or his service to his country. A man who has been given a knighthood can put 'Sir' in front of his name instead of 'Mr'.