

旅行に行けなくて、残念です。
雨で試合が中止になって、残念だね。
残念ですが、明日は会えません。
"ざんねん(残念)" is in the lesson "Emotions" (Level 42), 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.