

本当のことを言うには勇気が必要です。
兵士たちの勇気に感動しました。
彼女に話しかける勇気がないんだ。
"ゆうき(勇気)" is in the lesson "Military" (Level 31), along with 13 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.