本断言旧情无果则憧憬心爱寄肠
[bĕn duàn yán jiù qíng wú guŏ zé chōng jĭng xīn ài jì cháng]
The user is saying if old relationships bring no outcome, they will put all hopes and yearnings into loving someone new deeply, indicating a bittersweet feeling about past and future romances.