

元気な子どもですね。
おばあちゃんはいつも元気です。
今日はあまり元気じゃないですね。
"げんきな(元気な)" is in the lesson "Positive traits" (Level 28), along with 9 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.