プログレッシブ和英中辞典(第4版)の解説
いちごん【一言】
一言も（弁解の余地は）ありません
There's nothing I can say for myself.／I have no excuse.
彼女は私の依頼を一言のもとに断った
She flatly refused my request.／She turned me down flat [point-blank/《口》 cold].
一言一句
〔一つ一つの言葉〕
彼は一言一句もおろそかにしない
He weighs his words carefully.
一言半句
〔ほんの少しの言葉〕
一言半句も聞き漏らすまいと私は緊張した
I was all ears [attention] so as not to miss a single word.
ひとこと【一言】
a (single) word
一言も言わずに
without (saying) a single word
一言言っておきたい
I want to 「say something to [have a word with] you.
終わりに一言
One more word before I close (my speech).
一言で言うと
in a word
あいつはいつも一言多い
He always says 「one word too many [what he might have left unsaid].
いちげん【一言】
a word ⇒いちごん（一言）
一言一行
every word and act
一言居士
彼は一言居士だ
He always wants to comment on any (and every) subject.／He always has something to say about anything and everything.