nián / qīng / shí / de / lǐ / xiǎng / hěn / jiān / dìng / hòu / lái / què / nán / miǎn / qíng / suí / shì / qiān

年轻时的理想很坚定，后来却难免情随事迁。

Ideals may be firm when one is young, but feelings inevitably change with circumstances.