いぶかしい

(1) 疑いまたは疑念を受けやすい(open to doubt or suspicion; "the candidate's doubtful past"; "he has a dubious record indeed"; "what one found uncertain the other found dubious or downright false"; "it was more than dubitable whether the friend was as influential as she thought"- Karen Horney)(open to doubt or suspicion)

⇒友人は彼女が考えたほど影響力があったかどうかにかかわらず十二分に疑わしかった−カレン・ホーナイ(open to doubt or suspicion)

(2) 予想通りではない(not as expected; "there was something fishy about the accident"; "up to some funny business"; "some definitely queer goings-on"; "a shady deal"; "her motives were suspect"; "suspicious behavior")(not as expected)

⇒不審な挙動(not as expected)

(3) 不確実性あるいは不確かさをはらんだ(fraught with uncertainty or doubt; "they were doubtful that the cord would hold"; "it was doubtful whether she would be admitted"; "dubious about agreeing to go")(fraught with uncertainty or doubt)

⇒行くように同意することに疑わしい(fraught with uncertainty or doubt)

(4) 信用または保証が足りない、または足りないことを示している(lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers")(lacking or indicating lack of confidence or assurance)

⇒ためらいがちな指でその飾りに触れた(lacking or indicating lack of confidence or assurance)