Xī / yáng / xià / mù / tóng / chuī / xiǎng / le / mù / dí / shān / gǔ / lǐ / chuán / lái / yōu / yáng / de / shēng / yīn

夕阳下，牧童吹响了牧笛，山谷里传来悠扬的声音。

At sunset, the shepherd boy played his pipe, and a melodious sound echoed through the valley.