eccentricity

noun
1
behaviour that people think is strange or unusual; the quality of being unusual and different from other people
غیرعادی بودن, رفتار عجیب, عجیب‌وغریب‌بودن, ویژگی متفاوت بودن
2
an unusual act or habit
عادت غیرمعمول, رفتار عجیب, رفتار غیرعادی
We all have our little eccentricities.
I had long since grown used to the eccentricities of his driving technique.