I had a lurking suspicion that he wasn't telling the truth.我心里暗自怀疑他没有讲真话。I have a sneaking suspicion that he's lying.我暗自怀疑他在说谎。Lee privately doubted the truth of this statement.李暗自怀疑这种说法是否符合事实。I have a sneaking suspicion that those cookies aren't really homemade.我暗自怀疑那些饼干并非真是自家做的。