一言も言わず
ひとこともいわず without saying a word

一言一句
いちごんいっく each word word by word

一言一行
いちげんいっこう just a word or an act

一言二言
ひとことふたこと a word or two

一言半句
いちげんはんく いちごんはんく a word a few words (not even) a word (not even) a syllable

一言居士
いちげんこじ a person who always has to have his say a ready critic