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doubt (EN)
verbo, sostantivo

verbo “doubt”

infinito doubt; lui doubts; pass. doubted; p.p. doubted; ger. doubting
  1. dubitare
    She doubted whether she had locked the door when she left the house.

sostantivo “doubt”

sing. doubt, pl. doubts o non num.
  1. dubbio
    Despite the evidence, he harbored doubts about his friend's innocence.