eccentricity

The professor's eccentricity was well-known; he often wore two different colored socks to lectures.

(Chinese) 教授的古怪脾气众所周知；他经常穿着两只颜色不同的袜子去讲课。

In the small village, her habit of talking to trees was viewed as a harmless eccentricity.

(Chinese) 在这个小村庄里，她跟树说话的习惯被视为一种无伤大雅的怪癖。