

今日は本当にラッキーです。
七はラッキーな数字ですか。
一回で当たるなんて、ラッキーだね!
"ラッキー" is in the lesson "Gambling" (Level 32), 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.