绝口juékǒu 1.住口(只用在‘不’后{used only after 不bù}){stop talking}: 赞不～。{give unstinted praise; praise profusely} 2.因回避而不开口{keep one's mouth shut so as to avoid unnecessary trouble; avoid all mention of sth.}: 他～不提此事。{He has never uttered a single word on this matter.}