Doubtn. 怀疑；疑问；疑惑v. 怀疑；不信；恐怕；拿不准例句：There was still one little nagging doubt at the back of his mind. 他的心头仍有一丝挥之不去的疑虑。misgivingn. 担忧；疑虑；不安v. 担忧；使…疑虑；害怕（misgive的ing形式）例句：Opponents of nuclear energy have deep misgivings about its safety. 反核能人士非常担心核能的安全性。
汀臭崽儿
