

急に予定が変わって、少し混乱しています。
説明が多すぎて、頭が混乱したよ。
混乱しないように、順番に説明しますね。
"こんらんする(混乱する)" is in the lesson "Verbs 20" (Level 43), along with 10 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.