pall

1. V-I If something palls, it becomes less interesting or less enjoyable after a period of time. 变得平淡[no cont]

Already the allure of meals in restaurants had begun to pall. 餐馆里饭菜的吸引力已经变得平淡了。

2. N-COUNT If a pall of smoke hangs over a place, there is a thick cloud of smoke above it. 一股[usu N 'of' n]

A pall of oily black smoke drifted over the cliff-top. 一股漆黑的烟雾飘过了崖顶。

3. N a cloth covering, usually black, spread over a coffin or tomb 棺罩

4. V to cover or depress with a pall 用棺罩盖上

5. PHRASE If something unpleasant casts a pall over an event or occasion, it makes it less enjoyable than it should be. 煞风景

The unrest has cast a pall over what is usually a day of national rejoicing. 动荡的局势给往常举国欢庆的日子蒙上了阴影。