弾む， 勢む， はずむ
1. to spring, to bound, to bounce
2. to be stimulated, to be encouraged, to get lively
3. to pay handsomely, to splurge, to part eagerly with (money, etc.)
4. to breathe hard, to pant, to be out of breath
跃动，蹦跳，弹跳；受到激励，受到鼓舞，变得活跃起来；慷慨解囊，挥金如土，欣然付出（金钱等）；喘息，气喘吁吁