chaperon
n
(esp formerly) older person, usu a woman, who looks after a girl or a young unmarried woman on social occasions (尤指旧时)在社交场合照顾少女或未婚女子的年长者(通常为妇女); 年长女伴; 保护人. chaperon, v [Tn]
act as a chaperon for (sb) 当(某人的)年长女伴.
🗣️ 情景例句
I'm going to excuse myself.
很抱歉失陪。
Lend your money and lose your friend.
赔了夫人又折兵。
I'm afraid all these offices are non-smoking offices.