复数： infelicities

There is so much infelicity in the world .

人世间有很多不幸的事。

A judgmental infelicity plagued past generations .

这种不恰当的看法曾困扰了几代人。

You will be surprised there is so much infelicity in the world .

你会感到惊讶世界上竟有这么多不幸的事情。