dziwaczność 用英语:

"In those days a working mother was regarded as a bit of an oddity."

Even today a man who stays at home to take care of the children is regarded as something of an oddity.

I admire your quirkiness.

The behaviour of the Princess Monaco, one of the many victims of the French revolution, on the morning of her execution, will be long remembered for its eccentricity and heroism.