He wouldn't let go ( of ) his hold.是什么意思？

He wouldn't let go ( of ) his hold.

他就是不撒手.

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。

let

允许，任由，让，随，假设，出租；

例句
'And now, without further ado, let me introduce our benefactor.'
“下面，闲话少说，让我来介绍一下我们的赞助人。”

go

vi. 走，离开，去做，进

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

hold

vt. 拿住，握住，保留，保存，扣留，拘押，容纳，举

例句
I will hold myself aloof from wrong and corruption.
我会让自己远离错误和腐败。