crave

动词 crave:

1. have a craving, appetite, or great desire for
   同义词：hunger, thirst, starve, lust
2. plead or ask for earnestly

1. By this time the inner man began to crave nourishment.
   到这个时候，肚子开始咕咕叫着要吃东西了。
2. He knows that if they trust him, he can give them the happiness which they crave.
   他认识到如果他们信赖他，他能够把他们所热切渴望的幸福赐与他们。

crave

v.（动词）
craved,crav.ing,craves
v.tr.（及物动词）
To have an intense desire for.See Synonyms at desire
对…热切希望参见 desire
To need urgently; require.
急需；需要
To beg earnestly for; implore.See Synonyms at beg
恳求；哀求参见 beg
v.intr.（不及物动词）
To have an eager or intense desire.
有急切或强烈的愿望

来源：
Middle English craven
中古英语 craven
from Old English crafian [to beg]
源自 古英语 crafian [恳求]

【引伸】
crav.er
n.（名词）
crav.ingly
adv.（副词）