1·Companies may find themselves up against feisty rivals that they have never heard of, not to mention unscrupulous pirates.
公司会发现自己遭遇从未听过的活跃对手，更不用说不道德的剽窃了。
2·He was a Jew, the child of a mother, Arna (" the sun in our house "), who had fought as a pioneer for the state of Israel before becoming a feisty, raucous advocate of Palestinian rights.
他是一个犹太人，一个叫阿娜的母亲的孩子。阿娜意思是“我们屋子里阳光”，她在成为一名活跃的、声音沙哑的巴勒斯坦人权利的支持者之前，曾是一名为争取以色列建国而战斗的先驱者。
3·He was a strong and a feisty old man, considering that life is so hard.
他是一个这么强壮和活跃的老人，生活却是如此之艰难。
4·Team mate Takuma Sato drove a feisty race.
队友佐藤琢磨完成了一场活跃的比赛。
5·But the small and feisty black hole does stand out by having had active outbursts for 17 years.
但小和活跃黑洞并不突出的有过积极的爆发了17年。