Sentence examples for this seems doubtful from inspiring English sources

This seems doubtful but there is a definite demand for the rest of the kit, demonstrated by Samsung's and LG's successful commercialisation of such future homes - where the front door opens when it recognises the radio tag in your mobile, the lights and TV go on and that day's video messages are played to you as your favourite background music kicks in automatically.

This seems doubtful.

This seems doubtful, considering that dissident artist Ai Weiwei -- whose activism and status as a public intellectual makes him the closest thing China has to Voltaire -- was just arrested on Sunday.

This seemed doubtful, as the sets were always closed and a security guard or two was on sentinel duty at all times.

This increasingly seems doubtful.

Has made significant jumping errors in some races and his stamina for this test seems doubtful.

This explanation seems doubtful because all or nearly all of the suspects accused of domestic violence crime may actually be guilty, even if police are unable to document sufficient facts to cause a criminal case to be filed.

This assertion seems doubtful, given that piracy was clearly one of the original violations of the "Law of Nations" contemplated by the First Congress when it passed the Alien Tort Statute as part of the Judiciary Act of 1789.