

このボールはよくはずむね。
久しぶりに友達と会って、話がはずみました。
空気が抜けて、ボールが全然はずまない。
"はずむ(弾む)" is in the lesson "Verbs 15" (Level 27), 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.