她待人接物的亲切让每个人都感到舒适自在。

Her ___niceness makes everyone feel comfortable and at ease.

他的亲切让所有新同事都感到温暖。

His ___niceness made all the new colleagues feel welcome.

她过分讲究餐具摆放的细节，让晚餐准备变得异常繁琐。

Her ___niceness about the placement of cutlery made dinner preparations unnecessarily complicated.