Adverb:

1. for the most part;

   "he is mainly interested in butterflies"
   

1.主要地;最重要地
You usechiefly to indicate that a particular reason, emotion, method, or feature is the main or most important one.

e.g. He joined the consular service,chiefly because this was one of the few job vacancies...
他到领事馆工作，主要因为那是仅有的几个空缺职位之一。
e.g. His response to attacks on his work waschiefly bewilderment.
听到别人对自己工作的指责，他的反应主要是困惑。

1. 首要：chiefdom 首领的地位 |chiefly 首要 | chiefship 首领的地位

2. 主要的：├mostly大多数的 | ├chiefly主要的 | └largely很大程度上

3. 多半地：chief 领袖 |chiefly 多半地 | child 小孩

4. chiefly

4. 首要地,主要地：50.moreover而且,此外; | 51.chiefly首要地,主要地; | 52. emormously非常地,巨大地;

He's travelled widely, chiefly in Africa and Asia.

他游历了许多地方，主要在非洲和亚洲。

We are chiefly concerned with improving educational standards.

我们主要关心的是提高教育水平。

He joined the consular service, chiefly because this was one of the few job vacancies...

他到领事馆工作，主要因为那是仅有的几个空缺职位之一。

His response to attacks on his work was chiefly bewilderment.

听到别人对自己工作的指责，他的反应主要是困惑。

But in some logic teaching materials they are equated. This article chiefly discusses their differences.

但某些逻辑学教材仍将二者等同,本文主要谈它们的区别.

Fame 'u2014 It is chiefly a matter of dying at the right moment.

声誉—主要是死得其时的问题.

They are chiefly of Jewish parentage.

他们大体上有犹太血统.

Histiocytosis associated with disturbance of cholesterol metabolism, occurs chiefly in young children.

与胆固醇代谢障碍有关的组织细胞增多症, 通常发生在年轻人身上.

A word, phrase, or manner of expression used chiefly by uneducated people.

主要是没受过教育的人用的词汇 、 短语或表达方式.

Of the Russians there are chiefly Eugene and Anatole.

俄国人则主要是指尤金和阿纳托里.

Analytical results show that the unusual noise source is chiefly due to unsteady combustion.

测试结果表明,国产机噪声异常主要是由于不稳定燃烧造成的.

I wax my boots chiefly to waterproof them.

我给靴子打蜡主要是为了防水.

The tumultuous Cultural Revolution was chiefly responsible for the searing desire for change in China.

混乱的文化大革命是引起对中国发生变化的极度渴望的主要原因.

chiefly British Used as a title any of various male law court officers.

(法庭的)男法官:指法庭上的各种男性官员的头衔.

The houses in my hometown were chiefly composed of wood.

我家乡的房子过去多由木料制成.

It is organized chiefly in fighting aviation arm, bomber aviation arm, airborne troops and airfields.

主要由歼击航空兵 、 轰炸航空兵 、 空降兵和机场组成.

A small magnifying glass usually set in an eyepiece and used chiefly by watchmakers and jewelers.

'高倍'.''放大镜通常放在目''.'镜'. ''中的放大镜,形状小主要供珠宝商和钟表商使用.

Membership is comprised chiefly of humans of the warrior, paladin and priest professions.

人类战士 、 圣骑士和牧师是十字军的主要成员.

Eurasian toad with variable chiefly green coloring.

欧亚大陆的各种主要为绿色的蟾蜍.

In market performance: The essay chiefly inspects the margin and scale economic lever of publishing industry.

在市场绩效方面,本文主要考察了我国出版产业的利润率水平和规模经济水平.

IFM chiefly research how to develop financial management under new environment.

由于信息技术的飞速发展,其带来的深刻影响使财务管理发生了质的变化.

The instrument chiefly consists of telescope, magnetic compass and stabilizing apparatus.

该仪器主要由望远镜 、 磁罗盘和安平机构组成.

Cattle feed chiefly on grass.

牛主要以草为食.

The accident happened chiefly because you were careless.

发生事故的主要原因是你不小心.

It is chiefly through reading books that intellectuals acquire the experience of our predecessors.

知识分子接受前人的经验,主要是靠读书.

A man's success depends chiefly on himself.

一个人的成功主要靠自已.

They drew the material of their plays chiefly from myths and legends.

他们主要从神话传说中提取剧本的素材.

My interest in him chiefly centres in his quick mind.

我对他的兴趣主要在于他思路敏捷.

mainly，chiefly，greatly，largely，mostly，primarily，principally，generally

这些副词均可表示“主要地、大量地”之意。

mainly指主要部分，突出在一系列事物中的相对重要性。

chiefly侧重某人或某物在众多的人或物中占主要和显著地位。

greatly通常强调程度的高。

largely着重范围或分量大大超过别的成分。

mostly强调数量占多半，近乎全部。

primarily侧重基本地，首要地。

principally侧重居首要地位。

generally通常强调普遍性。