baffled adj.
VERBS be, feel, look, sound | remain
ADV. completely, totally, utterly | rather | clearly | frankly
PREP. about Officials say they're baffled about the cause of the gas explosion. | as to The referee remains baffled as to why his decision caused so much anger. | by The doctors are completely baffled by her illness.
You can also check other dicts: baffled (English, 中文解释 ), wordnet sense, Collins Definition