令人怀疑的
6.It may be doubted whether nature intended the Englishman to be a money-making animal.
7.Flycatcher: Blue-and-white, it looked suspiciously "orange" in the first photos of it to appear on this site, rather greyer and more "usual" in later ones.
8.Though air cyclists may learn how to fly over short distances, and may eventually, get across the English Channel, it is doubtful whether they will ever cycle across the Atlantic.
1.He is suspected to be afflicted with cancer. Doctors are checking his body and the result will come out tomorrow. His bad health gives some cause for concern.
他被怀疑是得了癌症,医生们正在为他做身体检查,结果明天会出来,他的健康很令人担心。


