a card sent, often anonymously, on St Valentine's Day, 14 February, to a person one loves or is attracted to
圣瓦伦廷节贺卡,情人节卡。
a person to whom one sends such a card or whom one asks to be one's sweetheart
情人节卡对象;心目中的情人。
"late Middle English (denoting a person chosen (sometimes by lot) as a sweetheart or special friend): from Old French