

彼は勇敢な兵士として知られています。
あの時の行動は本当に勇敢でしたね。
私はそんなに勇敢じゃありません。
"ゆうかん(勇敢)" 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.