n.

1. 面色，肤色；气色[C]
   He has a dark complexion.

   他肤色黝黑。

2. 情况；样子；性质[U]
   The complexion of the war was changed by two victories.

   两场胜利使战争有了转机。

3. 观点，信念[U]

vt.

1. 使增添（或带上）色彩

n.

1. the natural tone and texture of the skin of a person's face.
2. the general character of something:
   the complexion of the game changed.