valentine
n
(a) (also valentine card) sentimental or comic greetings card sent, usu anonymously, on St Valentine´s Day (14 February) to a sweetheart 在圣瓦伦廷节(2月14日)寄给情人的贺卡(通常匿名).
(b) sweetheart to whom one sends such a card 收受此类贺卡的情人
Will you be my valentine? 你愿意做我的情人吗?