口くちを濁にごす

expression, godan verb (-su)

speak ambiguously; be vague; equivocate

Used when someone avoids giving a clear answer or opinion, often to dodge responsibility or to be polite. The expression literally means 'to muddy one's mouth'.

• 彼かれは都つ合ごうが悪わるくなると、いつも口くちを濁にごす。

  He always speaks ambiguously when things get awkward for him.

• 直ちょく接せつ的てきな質しつ問もんに、彼かの女じょは口くちを濁にごして答こたえた。

  She answered the direct question vaguely.