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- I am doubtful whether the author is still alive. 我怀疑该作者是否还活着。
- I am doubtful whether it is true. 我怀疑那是否真实。
- I am doubtful whether she is still alive. 我难以确定她是否还活着。
- They are doubtful whether he can afford it. 他们怀疑他是否能负担得起。
- I am doubtful whether he is still alive. 我怀疑他是否还活着。
- I am doubtful whether he is still alie. 我怀疑他是否还活着。
- It was doubtful whether Israel could be persuaded to relinquish its gains. 令人怀疑的是，能否说服以色列放弃其既得利益。
- It may be doubt whether nature intended the Englishman to be a money- making animal. 上天是否有意把英国人造成“赚钱”动物，是令人怀疑的。
- It was doubtful whether the patient would survive the operation. 病人的手术是否能成功,还值得怀疑。
- The doctor was doubtful whether the patient would see another two weeks out. 医生怀疑这个病人能否再活2周。
- The doctor was doubtful whether the patient would see another week out. 医生怀疑这个病人能否再活一星期。
- I am doubtful whether I can solve the puzzle,but I'll have a shot at it. 我怀疑我能否解答这道难题，不过我还是要试试看。
- I am doubtful whether I can solve the puzzle, but I'll have a shot at it. 我怀疑我能否解答这道难题，不过我还是要试试看。
- They are doubtful whether they could afford their son's tuition fee. 他们怀疑自己是否能负担得起儿子的学费。
- It may be doubted whether nature intended the Englishman to be a money-making animal. 上天是否有意把英国人造成“赚钱”动物，是令人怀疑的。
- When it comes to the inspection I am doubtful whether her work will pass muster. 说到检查，我真怀疑她的工作能否通得过。
- I am doubtful about the propriety of granting such a request, ie doubt whether it is right. 我怀疑答应这项要求是否合适.
- I am doubtful whether I could ever learn English, but I'm determined to have a bash at it. 不晓得我能不能学会英语, 但是我决心试试看。
- I am doubtful whether I could ever learn English,but I'm determined to have a bash at it. 不晓得我能不能学会英语,但是我决心试试看。
- At one time it was doubtful whether the company could recover from its financial difficulties, but the government loan seems to have helped. 曾经有一段时间，公司能否从困境中恢复元气令人生疑，不过政府的贷款似乎起了作用。
