worm something out of someone
US /wɜrm ˈsʌm.θɪŋ aʊt əv ˈsʌm.wʌn/
UK /wɜrm ˈsʌm.θɪŋ aʊt əv ˈsʌm.wʌn/
1.
to try to get information from someone who does not want to give it, by being clever or by persuading them
:
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I tried to worm the truth out of him, but he wouldn't say a word.
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She managed to worm the secret out of her sister after hours of questioning.