n.

1. 棺罩；柩衣[C]
2. （阴暗色的）遮盖物，幕[S][（+of）]
   A pall of mystery seems to hang over it all.

   整个事件似乎笼罩上一层神秘的气氛。

3. （圣餐杯的）罩布[C]

vt.

1. 给……盖上棺罩；覆盖

vi.

1. 变得乏味；失去吸引力[（+on/upon）]
   I find his books begin to pall on me after a while.

   我发觉他的书读过一阵子就开始对我失去吸引力。

2. 感到腻烦；厌倦[（+with/of）]
   My stomach palls with it.

   这东西我吃腻了。

vt.

1. 使腻烦，使厌倦

n.

1. a cloth spread over a coffin, hearse, or tomb.
2. a dark cloud of smoke, dust, etc.
3. an enveloping air of gloom or fear.
4. an ecclesiastical pallium.
   ▸Heraldry  a Y-shaped charge representing the front of an ecclesiastical pallium.

v.