cast doubt on
US /kæst daʊt ɑːn/
UK /kæst daʊt ɑːn/
1.
疑問を投げかける, 疑いをかける
to suggest that something may not be true, reliable, or valid
:
•
The new evidence cast doubt on the witness's testimony.
新しい証拠は証人の証言に疑問を投げかけた。
•
His inconsistent statements cast doubt on his credibility.
彼の矛盾した発言は彼の信頼性に疑問を投げかけた。