我爱你 你爱她 她爱她 她爱他 I love you, you love her, she loves her, she loves him. 你爱我 我爱他 他爱他 他爱她 You love me, I love him, he loves him, he loves her. 咦？怎么这世界 已经没有人相爱 Huh? How come in this world noone's left who wants to love? 怎么这世界 每个人都不快乐 How come in this world everyone is unhappy? 怎么这世界 每个人都爱别人 How come in this world everyone loves someone else, 不爱自己 and not themselves? （重复）

vague

暧昧： 1) somewhat unclear and ambiguous (in a negative sense) 2) a rather shady and dubious (often referring to a relationship, illicit love affair or something of that nature)