harmless

Most garden snakes in this region are harmless and help control the insect population.

(Chinese) 该地区的大多数花园蛇都是无害的，且有助于控制昆虫数量。

It was just a harmless joke, but she took it very personally and felt upset.

(Chinese) 那只是个无伤大雅的玩笑，但她却往心里去了，感到很不开心。