cast doubt on
Cause something or someone to be questioned. For example, The prosecutor cast doubt on the wife's alibi. This idiom uses cast in the sense of “throw,” a usage dating from the early 1200s.
Words nearby cast doubt on
cast about,
cast adrift,
cast away,
cast back,
cast brace,
cast doubt on,
cast down,
cast in one's lot,
cast in stone,
cast in the same mold,
cast iron