Harder

hard-working (hard-work 的现在分词) 努力工作；[劳经] 繁重的工作 the hard way harder put harder than Chinese math harder left harder working harder nut to crack harder nuts to crack harder hit hard hit hard put 陷入困境 hard nut to crack 难以攻克的困难 hard left n. （政治）极左派成员 the bigger they are, the harder they fall the bigger they come, the harder they fall