His parents were dull and inarticulate.是什么意思？

His parents were dull and inarticulate.

他的父母亲头脑愚钝又不善说话.

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。

parents

n. 双亲（ parent的名词复数 ）；

例句
Some parents believe a boy must learn to stand up and fight like a man.
有些父母认为男孩子必须学会像男子汉一样顶天立地，勇于抗争。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

dull

adj. 钝的，迟钝的，呆滞的，阴暗的；v. 缓和，减轻，使阴暗；

例句
I took a deathly dull job.
我接受了一份极其枯燥的工作。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

inarticulate

adj. 不善辞令的，笨口拙舌，嘴笨；

例句
...a clumsy, bumbling, inarticulate figure.
一个笨手笨脚、经常出错、吐字不清的人物