dubious

• adj.疑わしい；あいまいな；確信がない；中途半端な

ラテン語のdubiusから、2つの、揺れ動く、変動する、語源的にはdoubtと同じ。

dubious

dubious: see doubt

dubious (adj.)

1540s, from Latin dubiosus "doubtful," from dubium "doubt," neuter of dubius "vacillating, moving two ways, fluctuating;" figuratively "wavering in opinion, doubting, doubtful," from duo "two" (see two), with a sense of "of two minds, undecided between two things." Old English also used tweo "two" to mean "doubt." Compare doubt (v.). Related: Dubiously; dubiousness.

1. They would now find some dubious pretext to restart the war.

彼らは今、下手な言い訳をして戦争を再開するだろう。

2.Soho was still a highly dubious area.

ソーホーエリアはまだ頼りにならない場所です。

3.I was rather dubious about the whole idea.

私はこの考え全体に疑問を持っています。

4.The tests have been shown to be of dubious validity.

これらの試験の有効性は疑問視されている。

5.What he said yesterday was dubious .

彼が昨日言ったことはあいまいだった。