訝いぶかしむ

godan verb (-mu), transitive verb

be suspicious of; doubt; find dubious

Expresses a feeling of doubt or suspicion about something, often with a nuance of wondering what is really going on. Somewhat literary or formal in tone.

• 彼かれの説せつ明めいにいぶかしむ点てんがいくつかあった。

  There were several points in his explanation that I found dubious.

• 彼かの女じょはその申もうし出でをいぶかしんだ。

  She was suspicious of the offer.