chuāng / wài / chuán / lái / yí / zhèn / cáo / zá / shēng / hái / zi / men / dōu / wú / fǎ / zhuān / xīn / xué / xí

窗外传来一阵嘈杂声，孩子们都无法专心学习。

A burst of noise came from outside, and the children could not concentrate on studying.