He repined against his unhappy lot.

他对我讲了他不幸福的童年。

The old woman repined at her misfortune.

那老妇人怨叹不幸的遭遇。

But it cannot have escaped your notice that for some time past, the friendship I have felt for you has repined into a deeper feeling.

不过你不会没有注意到，在过去这段日子里，我对你的友谊已经发展成为一种更深的感情。