

母をおこらせるようなことは言わない方がいいよ。
また遅刻して、部長をおこらせてしまいました。
彼女をおこらせた理由がわかりません。
"おこらせる(怒らせる)" is in the lesson "Verbs 8" (Level 20), 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.