hefty 的意思是巨额的、沉重的。Italy has passed a law imposing a hefty fine on rescue ships that come to its ports and disembark refugees and migrants they have picked up at sea. 意大利通过了一项法律，对进入其港口并让他们在海上接受的移民和难民登陆的救援船征收巨额罚款。

 

The editor of the Farmer's Almanac said the upcoming winter season will be a “wild ride” involving extreme temperature swings and “some hefty snowfalls. 《农历》参考书的编辑说，即将来临的冬季将充满不定，会有气温的极大波动和“一些巨大的降雪”。