greatly
单词辨析：
指范围或程度上占大半地。
This small country is largely located in the desert.
这个小国家大部分地区位于沙漠中。
Her success was largely due to luck.
她的成功主要靠运气。
指作为非常重要的成分但并非全部地。
Air consists chiefly of nitrogen.
空气主要由氮气组成。
Cattle feed chiefly on grass.
牛主要以草为食。
主要用于强化程度，不修饰形容词，通常用于动词或分词前。
the greatly increased risk
大大增加的风险
He was greatly hurt.
他深受伤害。
I was greatly moved by his kindness.
他的善良令我极为感动。
指数量等方面占多半。
The members of the party are mostly workers.
该党的成员大部分为工人。
The men at the party were mostly fairly young.
参加聚会的男子大都非常年轻。
We mostly go out on Saturdays.
我们星期六一般不在家。
相关例句：
We were greatly honoured that Sheik Hasina took the trouble to visit us.
谢赫·哈西娜专程前来看望我们，对此我们深感荣幸。
Productivity has risen greatly.
生产效率大大提高。
Everyone can greatly improve the quality of life
每个人都可以大大改善生活质量。
He wrote to say that he had read several new books and profited greatly from them.
他来信说读了不少新书，颇有心得云云。
These two regions differ greatly in climate.
这两个地区气候差异很大。
The civilian population were suffering greatly at the hands of the security forces.
老百姓吃尽了安全部队的苦头。