(某事)发生，已完成(某事)

1. (for something) to have occurred, to have done (something)

Godan verb with 'ru' ending (irregular verb) expressions (phrases, clauses, etc.) word usually written using kana alone

(某事)偶尔发生

2. (for something) to happen on occasion

Godan verb with 'ru' ending (irregular verb) expressions (phrases, clauses, etc.) word usually written using kana alone