What four things did the lord provide or do for his vassal under the feudal system?

The fidelity owed by a vassal to his feudal lord.

效忠诸侯对封建领主的忠诚.

Parliament can not play its due role, and become vassal government agencies.

议会并不能发挥它应有的功能, 而成为政府的附庸机构.

Of, relating to, or characteristic of the feudal relationship between vassal and lord.

属于封臣和领主间的封建关系, 或有关这种关系.

I, your vassal, have employed and troubled your unknown sovereignty.

我是您的臣子,以前不知道您就是公爵殿下,竟那样叫您受累, 麻烦了您.

A Burmese prince was again installed as a vassal of Ava.

一个缅甸王子更新就任阿瓦的封臣.

Butan a small country in South Asia was a vassal state of Qing Dynasty in history.

南亚小国布鲁克巴(今不丹国),曾经一度内附与大清王朝,成为清代的属国.

Vassals no longer freed when master forms a permanent alliance.

当宗主国签订永久同盟条约时附庸国不会自动独立.

Then , all the vassals respected him as the God instead of Shennong.

诸侯尊为天子, 以代神农氏.

In the past five years, there has been a vast improvement in graduation rates.

过去的五年内,毕业率大幅度提高。

a vast amount of information

大量信息

At dusk bats appear in vast numbers .

蝙蝠于傍晚时分大批出现。

In the vast majority of cases, this should not be a problem.

在绝大多数情况下，这应该不成问题。

...Afrikaner farmers who own vast stretches of land...

拥有广袤土地的南非白人农场主

a vast area of forest

莽莽苍苍的森林

His business empire was vast.

他的企业规模庞大。

a vast crowd

一大群人

[不可数名词, 可数名词]the vastness of space

太空的浩瀚无垠

The vast majority of the workers here are Protestants.

这里的工人绝大多是新教徒.

vast tracts of forest

大片大片的森林

The vast majority of books on the subject are complete rubbish.

有关这一话题的绝大多数书籍都是一派胡言。