doubtful about (doing) something• Mr. Curry I am somewhat doubtful about a concretepolicy for hedgerows.• You have been doubtful about all of this new physics, Watson.• When he heard this, Oliver felt rather doubtful about having such a friend.• With Lord Jim and Grace both on his books, Pinkie felt doubtful about his chance of selling either.• There was nothing doubtful about Mrs Whosis downstairs, except her naturalcuriosity.• If you are at all doubtful about the success of the evening, do not advertise the event outside your Law Society.• You couldn't have expected it, he had been doubtful about this day from the beginning.
1feeling doubt懷疑VERBS | ADVERB | PREPOSITIONVERBS➤be, feel, look, seem, sound懷疑；感到可疑；看上去可疑；好像可疑；聽起來可疑◇Eric was far from sure and Marion looked doubtful. 埃里克根本沒有把握，馬里昂看上去也很疑惑。➤become開始疑惑▸➤remain一直懷疑ADVERB➤extremely, fairly, very, etc.極其／相當／非常懷疑▸➤a little, slightly, etc.有點兒／略有些懷疑PREPOSITION➤about懷疑⋯◇She was rather doubtful about the wisdom of eating the seafood. 她很懷疑吃海鮮是否明智。doubtful
2unlikely不大可能VERBS | ADVERBVERBS➤be, look, seem無把握；看上去無把握；好像無把握▸➤remain仍然無把握ADVERB➤extremely, fairly, very, etc.極其／相當／非常不確定▸➤highly非常不確定◇Even if we could go, which is highly doubtful, John wouldn't be able to come with us. 即使我們能去 － 這還很沒準兒 － 約翰也不能和我們一起去。➤increasingly越來越不確定▸➤a little, slightly, etc.有點兒／稍微有些不確定