specially, especially, particularly,in particular区别如下

(1)specially： 着重为做某事而"专门地、特意地"，相当于on purpose。还可以表示特别地;超常地

Patrick needs to use specially adapted computer equipment...  

帕特里克需要使用专门改装过的计算机设备。

Stay in bed extra late or get up specially early. 

起床过晚或过早。

What was specially enjoyable about that job?  

那份工作有什么特别有趣之处？

(2)especially： 较多地用于正式文体，侧重超过其它全部，突出到"特别地"的程度， 

Millions of wild flowers colour the valleys, especially in April and May. 

尤其是在四五月份，不计其数的野花盛开，山谷里一片绚烂色彩。

Re-apply sunscreen every two hours, especially if you have been swimming. 每两个小时重新涂一次防晒油，尤其是在游泳的时候。

Babies lose heat much faster than adults, and are especially vulnerable to the cold in their first month.  

婴儿散热比成年人快得多，在出生后的头一个月特别容易感冒。

(3)particularly： 既可用于正式问题，也可用于日常口语,用来指同类中特别突出的一个。相当于in particular。可以表示格外；异乎寻常地。

Keep your office space looking good, particularly your desk.

保持办公环境的整洁，尤其是你的桌子。

More local employment will be created, particularly in service industries.

当地会创造出更多的就业机会，尤其是服务行业。

I often do absent-minded things, particularly when I'm worried.

我常做些心不在焉的事，尤其是在我焦虑不安时。

Progress has been particularly disap-pointing.

进展情况格外令人失望。

I particularly liked the wooden chests and chairs.

我格外喜欢木箱子和木椅子。

(4)in particulary 表示特别地，尤其是，相当于particularly,

In particular I admire Gary Lineker.  

我特别崇拜加里·莱因克尔。

Why should he notice her car in particular?  

他为什么会特别注意到她的车？

The situation in Ethiopia in particular is worrying.  

埃塞俄比亚的局势尤其令人担忧。