a.

1. 重要的，重大的[（+to/for）]
   It is important to see that everything goes well.

   重要的是確保一切順利。

   It is important to learn to communicate.

   學會溝通思想很重要。

2. 地位高的，有權力的
   He is an important official in the government.

   他是政府的要員。

3. 狂妄自大的
   He has an important air about him.

   他顯得盛氣凌人。

adj.

1. of great significance or value.
2. having high rank or status.