From Longman Dictionary of Contemporary Englishsay no moresay no moreUNDERSTANDused to say that you understand what someone means, although they have not said it directly ‘I saw him leaving her house at 6.30 this morning.’ ‘Say no more!’ → say
Examples from the Corpus
say no more• For the rest of the afternoon Vladimir said no more.• She said no more about it, but I knew she worried when these unexplained absences occurred.• She said no more, but her thoughts were bitter.• The Secretary of State says no more money so that's that.• Females say no more often than males, 63. 5 percent compared with 21. 6 percent.• She says no more than this.• She told Clarissa to stay put and say no more until she herself came round to Clarissa's flat. 