名词

1. 衰落;衰败;垮台
The downfall of a successful or powerful person or institution is their loss of success or power.

2. 失败(或垮台)的原因
The thing that was a person's downfall caused them to fail or lose power.

1. failure that results in a loss of position or reputation

Synonym: ruinruination

2. a sudden decline in strength or number or importance

e.g. the fall of the House of Hapsburg

Synonym: fall

3. the falling to earth of any form of water (rain or snow or hail or sleet or mist)

Synonym: precipitation