niggled

v.过分为琐事操心；拘泥小节；惹恼

n.小牢骚；无法摆脱的烦恼；轻微疼痛

His untidiness constantly niggled her. 他邋邋遢遢总惹她讨厌。

My only niggle is that they should have told me sooner. 我唯一不满的是他们应该早点告诉我。

In his mind there was that same niggle that if he did the right thing. 在他的心里一直有着一个无法摆脱的烦恼，那就是他是否做了对的事。

He gets the occasional niggle in his right shoulder. 他的右肩有时感到轻微的疼痛。