うたが疑utagaうu
1.
To think that something may not be true or that a certain situation does not exist, indicating a lack of belief or confidence in its validity or authenticity.
2.
To hold a suspicion that a specific individual might be involved in wrongdoing or ill intent, raising concerns about their character or actions.
3.
To approach an ambiguous situation with a negative or pessimistic mindset, contemplating the possibility that the outcome may not be favorable or sincere.
Example:
僕の言葉をまだ疑っているんですか。