This is the 3434th most frequent Chinese word.
情人
Lover or romantic partner (often implies an extramarital affair).
情人 is combined with 节 (festival/day) in '情人节', meaning Valentine's Day, signifying romantic affection and mutual love.
有些人认为情人节是庆祝爱情和情人的好机会。
Some people consider Valentine's Day a great opportunity to celebrate love and lovers.
情人 refers to 'lovers' or 'romantic partners' in this context, emphasizing their role in a romantic relationship.
情人在爱情中扮演重要的角色。
Lovers play an important role in love.
情人 here describes a person with whom someone had a romantic relationship that is no longer ongoing.