vt.

1. 加高，增高
   heighten a wall

   加高一堵墙

2. 增加；提高
   heighten an effect

   增强效果

3. 使（色彩等）更浓；使更显著

vi.

1. 变高，升高
2. 变强，变浓
   As she waited, her excitement heightened.

   她越等越激动。

v.

1. make higher.
2. make or become more intense.