大多的英文：
for the most part
most
mostly

参考例句：

Much water runs by the mill that the miller knows not of
当前发生诸种事,大多为人所不知

About twenty eight people. Most of them like seafood, so I bought al lot of it. Look! The eels are still alive.
大约二十八人，他们大多喜欢海鲜，所以我买了很多海鲜。看啊！那鳗鱼还活着。

Mostly are candid photos.
大多都是偷拍的照片。

Most poetry doesn't translate well.
诗歌大多翻译不好.

Most of these books are humorless
这类书大多枯燥无味。

The average reader will probably find such political tales silly but entertaining
一般的读者大多

Too many interactive products take the conversation.
大多软件采取这种态度。

His siblings are mostly in their early twenties.
他的兄弟姐妹大多二十出头。

I largely work with people who already are motivated...
我大多和积极主动的人一起工作。

A great deal of the talk was about oil.
谈话大多集中在石油问题上。

part是什么意思：
n. 部分；零件；角色
v. （使）分裂；分岔；（使）分开
adv. 部分地
adj. 部分的

sustain the part of
恰当地扮演

An aliquot part.
整除数，约数能整除的部分。

The parts interlock.
各部分相互扣住。

They are part of evolution and evolution is a part of nature.
它们是发展的一部分，而发展又是自然的一部分。

It is made part of iron and part of wood.
它部分由铁部分由木而制成。

mostly是什么意思：
adv. 多半；主要地；通常

Mostly are candid photos.
大多都是偷拍的照片。

Farming is still mostly for subsistence.
农业仍仅够国人糊口。

The migrants are mostly muslim.
这些移民大部分是穆斯林。

This newspaper circulates mostly in the commercial districts.
这份报纸大部分在商业区内销售。

Mostly, they fight about paying bills.
通常他们是为谁来支付账单而争吵。