I have a sneaking suspicion that the client will ask for another discount.

我隱隱覺得那位客戶會再要求一次折扣。

The manager had a sneaking feeling the shipment would arrive late again this week.

經理暗自覺得這週的貨又會晚到。

Many applicants felt a sneaking admiration for the candidate who openly questioned the interviewers.

許多應徵者對那位公開質問面試官的候選人暗自佩服。