a.

1. 特殊的；特定的；特别的[Z][B]
   The teacher showed particular concern for the disabled child.

   老师特别关心那个残疾儿童。

2. 特有的，独特的；异常的[Z][B]
   Her particular way of smiling left a good impression on me.

   她特有的微笑给我留下了美好的印象。

3. （过于）讲究的；苛求的，挑剔的[（+about/over）][（+wh-）]
   She is particular about what she eats.

   她过分讲究吃喝。

4. 细致的，详细的[B]
   The witness gave us a particular account of what happened.

   目击者把发生的事情详细地对我们说了一遍。

n.

1. 个别的项目，细目[C]
   The particular may have to be satisfied to the general.

   为顾全总体个别的项目也许不得不放弃。

2. 详细情况[P]
   I suppose the secretary knows the particulars of the plan.

   我想那位秘书知道这一计划的详细情况。

3. 特点，特色[C]

adj.

1. denoting an individual member of a specified group or class.
2. especially great or intense:
   exercise particular care when checking cash.
3. fastidious about something.
4. Logic  denoting a proposition in which something is asserted of some but not all of a class. Contrasted with universal.

n.

1. a detail.
2. Philosophy  an individual item, as contrasted with a universal quality.