courtesy title

(Brit) title conventionally given to sb (eg the son or daughter of a lord) but with no legal validity 礼貌性的尊称（无法律效力的习惯称谓, 如对勋爵子女的尊称）.

coupling, coupon, courage, courageous, courageously, courgette, courier, course, coursing, court, court martial, court of law, court order, court-card, court-house, court-martial, courteous, courteously, courtesan, courtesy, courtier, courtliness, courtly, courtroom, courtship, courtyard, cousin, cousinly, couture, couturier, cove, coven, covenant, Coventry, cover, cover charge, cover girl, cover note, cover over, cover up,