tā / zài / dú / wán / zhè / shǒu / shī / hòu / xìng / huì / dà / fā / lì / kè / ná / qǐ / bǐ / xiě / xià / le / zì / jǐ / de / gǎn / xiǎng

他在读完这首诗后兴会大发，立刻拿起笔写下了自己的感想。

After reading the poem, he was suddenly inspired and immediately picked up a pen to write down his thoughts.