stonewall
US /ˈstoʊn.wɑːl/
UK /ˈstoʊn.wɑːl/
1.
bức tường đá
to stop a discussion from developing by refusing to answer questions or by talking in such a way that you prevent other people from giving their opinions:
:
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The interviewer accused the congressman of stonewalling on the issue of campaign funding.