adj.最坏的;最差的(bad, ill的最高级);
adv.最糟;最严重(badly的最高级);
n.最坏的事;最糟的情况;
例句:
He was always optimistic, even when things were at their worst .
他即使在情况最糟糕的时候也总是很乐观。
At best Nella would be an invalid; at worst she would die...
内拉往好里说会落下残疾,往坏处说可能会生命不保。
At the worst he would be there by the following night.
最不济他会在第二天晚上之前到那儿。