He could memorize nothing.是什么意思？

He could memorize nothing.

他什么也记不住。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

could

aux. “can”的过去式，能够，打算，用于假设语气的条件句，用于虚拟语气的结论句；

例句
The regulations were relaxed and the prisoners could get out and about a bit.
规定有所放宽，犯人可以出去短暂放风。

memorize

vt. 记住，熟记，[计算机科学] 存储，记忆；

例句
He studied his map, trying to memorize the way to Rose's street.
他研究了地图，试图记住到罗丝家那条街的路。

nothing

pron. 没有东西，没有事情，无关紧要的东西，毫无趣味的事；n. 无关紧要的人[事]，零，无；adv. 毫不，决不；

例句
I have nothing against foreigners.
我对外国人并无芥蒂。