s. of considerable weight and size
a. 重的, 肌肉发达的
1. The package was hefty, so I needed help to lift it.
包裹很沉重，所以我需要帮助来抬起它。
2. He received a hefty bonus for his hard work this year.
他因今年的努力工作获得了一笔丰厚的奖金。
3. The hefty book on the shelf caught my attention.
架子上的那本厚重的书引起了我的注意。