To say nothing; to remain completely silent.
一句话也不说。
明·冯梦龙《喻世明言》卷一三巧儿听说丈夫把她休了，一言不发，啼哭起来。”
During the entire meeting, he sat there, uttering not a single word, remaining completely silent.
Learn the next connected idiom: 一言不发 (yī yán bù fā) → 发扬光大 (fā yáng guāng dà)
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