摘要：Believe it or not, people do help one another, even if it seems like everyone is cruel. （不管你信不信，人们确实会互相帮助，即使看起来每个人都很残忍。）[剑桥高级学者辞典]

believe it or not相当于“信不信由你”。它相当于插入语，用于引出令人惊讶或难以置信的事实，强调信息的真实性，如

【例句1】Believe it or not, he asked me to marry him! （信不信由你，他向我求婚了！）[牛津高级学者辞典]

【例句2】Believe it or not, people do help one another, even if it seems like everyone is cruel. （不管你信不信，人们确实会互相帮助，即使看起来每个人都很残忍。）[剑桥高级学者辞典]

也可以放在句子后面，强调前述信息的真实性，如

【例句3】He's upstairs doing his homework, believe it or not. （信不信由你，他正在楼上做作业。）[剑桥高级学者辞典]

【例句4】Those were his actual words, believe it or not.（这些都是他的原话，不管你信不信。）[剑桥高级学者辞典]

【例句5】That's normal, believe it or not. (这很正常，信不信由你。 ) [柯林斯高级学者辞典]

【例句6】 He enjoys school, believe it or not. (他喜欢上学, 不管你信不信。)[朗文当代英语词典]

来源：恬恬课堂