訝いぶかる

godan verb (-ru), intransitive verb

wonder; puzzle over; feel suspicious about

Expresses a feeling of doubt, suspicion, or unease about something that seems off. Often used when something doesn't add up or feels questionable.

• 彼かれの説せつ明めいに少すこし訝いぶかるところがあった。

  There was something about his explanation that made me wonder.

• その話はなしを聞きいて、私わたしは内ない心しん訝いぶかった。

  Hearing that story, I felt inwardly suspicious.