

父はすぐ怒るから、気をつけてね。
遅れたら、先生は怒ると思います。
そんなことで怒るの?
"おこる(怒る)" is in the lesson "Adjectives 4" (Level 17), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.