Tā / zuò / zài / chuāng / qián / míng / sī / ， / nǔ / lì / xiǎng / chū / jiě / jué / wèn / tí / de / bàn / fǎ / 。

他坐在窗前冥思，努力想出解决问题的办法。

He sat by the window thinking hard, trying to find a solution to the problem.