Have second thoughts (about sth/doing sth)：to reconsider or have doubts about a decision or plan that was previously made. （对某事产生疑虑–意味着重新考虑或对之前做出的决定或计划产生怀疑。）
以下是高频短语“Have second thoughts”在美剧语料库中的相关例句：
E.G.1：I’m just saying I would understand if you‘d a second thoughts about marrying a man who’s under a cloud. （DH S03E02 09:02）
参考翻译：我只是在说，如果你对嫁给一个名声不佳的男人有所顾虑，我会理解的。
E.G.2：I’m having second thoughts about Rex’s death. I’ve known Rex and Bree for nearly 20 years. And I’ve never had any reason to suspect. （DH S02E02 26:18）
参考翻译：我对雷克斯的死开始产生疑虑了。我认识雷克斯和布丽将近20年了。我从来没有理由怀疑过。
E.G.3：So how do you feel now? — About us? I feel good. I feel happy. — You’re not having second thoughts? （DH S02E19 39:25）
参考翻译：那么你现在感觉怎么样？–关于我们？我感觉很好。我很开心。–你不会有所犹豫吗？
E.G.4：Susan, he’s having second thoughts. I mean, come on, there’s not a married man on earth who didn’t have second thoughts before he got married. （DH S06E16 18:55）
参考翻译：苏珊，他开始犹豫了。我是说，天底下没有一个已婚男人在结婚之前不会犹豫的。
