(指不愿公开的感觉)暗中的,私下的 if you have a sneaking feeling for sb or about sth, you do not want to admit it to other people, because you feel embarrassed, or you are not sure that this feeling is right
She had always had a sneaking affection for him. 以前她一直暗暗倾心于他。
I have a sneaking suspicion that she knows more than she's telling us. 我私下怀疑,她还知道一些情况,不想告诉我们。