Háizi men de xiàoyǔ ràng wūzi chōngmǎn le wēnnuǎn.
The children's cheerful chatter filled the house with warmth.
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Slightly literary — common in essays, song lyrics, and descriptive writing. Often appears with 欢声 in the phrase 欢声笑语 (huānshēng xiàoyǔ, 'happy voices and laughter'), a fixed expression for a joyful, lively scene.