trifling matter; trifle; minor issue
Refers to something small, unimportant, or not worth worrying about. Often used in contrast with 大事 (important matter).
There's no need to worry about such a trifling matter.
彼は小事にこだわりすぎる。
He is too particular about minor things.
minor incident; small affair; sideshow
Ikeda school massacre
Composed of 小 (small) and 事 (matter, thing). The reading しょうじ is the on'yomi for both characters. The word has been used in Japanese for centuries to refer to minor or unimportant matters.