/'heftɪ; `hɛftɪ/
adj (-ier, -iest) (infml 口)
1 (of a person) big and strong （指人）身高体壮的.
2 [usu attrib 通常作定语]
(a) (of a thing) large and heavy （指物）又大又重的
*a hefty suitcase 又大又沉的衣箱.
(b) powerful 有力的
*deal sb a hefty blow 给予某人重重的一击.
(c) (fig 比喻) extensive; substantial 大量的; 可观的
*She earns a hefty salary. 她的薪水很高.

adj [usually before noun]
big and heavy
　a tall, hefty man
　a hefty tome (=large thick book)
　hefty camera equipment
a hefty amount of something, especially money, is very large
　a hefty fine
BrE a hefty blow, kick etc is done using a lot of force
　He aimed a hefty kick at the door.
　a hefty shove