peculiarities
A peculiarity that someone or something has is a strange or unusual characteristic or habit.
Joe's other peculiarity was that he was constantly munching hard candy.
乔的另一个怪癖是他不停地嚼硬糖。
A peculiarity is a characteristic or quality that belongs or relates only to one person or thing.
a strange peculiarity of the US system.
美国制度的一个奇怪的特性。