n.

1. 显示，表明；证实[U]
   Is there any manifestation of love in the letter he wrote you?

   他写给你的信中没有任何爱的显示吗？

2. 表现；表现形式[C]
   Fever is one manifestation of a cold.

   发烧是受凉的一种表现。

3. 示威运动[C]

n.

1. an event, action, or object that clearly shows or embodies something.
2. a symptom of an ailment.
3. an appearance of a ghost or spirit.