tuī / kāi / chuāng / hòu / yuán / běn / hūn / àn / de / fáng / jiān / dùn / shí / biàn / de / huò / lǎng / qǐ / lái

推开窗后，原本昏暗的房间顿时变得豁朗起来。

After the window was opened, the previously dim room suddenly became bright and airy.