覚束無い

(1) 全く確立していないまだ未決定であるか未知の(not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain")(not established beyond doubt)(still undecided or unknown)

⇒更なる証拠なしでは、彼の話は不確かなままである(still undecided or unknown)

(2) 明快さまたは特異性が不足しているさま(lacking clarity or distinctness; "a dim figure in the distance"; "only a faint recollection"; "shadowy figures in the gloom"; "saw a vague outline of a building through the fog"; "a few wispy memories of childhood")(lacking clarity or distinctness)

⇒幼年期に関するいくつかのかすかな記憶(lacking clarity or distinctness)

(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) 誤りのある、または誤解されやすい(liable to be erroneous or misleading; "an undependable generalization")(liable to be erroneous or misleading)

⇒頼りにならない通則(liable to be erroneous or misleading)

(5) 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)