sneaking
adj [attrib 作定语]
(esp of an unwanted feeling) secret and unexpressed (尤指不应有的情感)私下的, 暗地的
have a sneaking respect, sympathy, etc for sb 暗地里敬佩、 同情...某人
I have a sneaking (ie unproved and vague but possibly right) suspicion that he stole my wallet. 我心想准是他偷了我的钱包.