n.

1. 毁灭；崩溃；毁坏[U]
   476AD saw the ruin of Roman Empire.

   公元476年罗马帝国灭亡。

2. （建筑物的）断垣残壁[C]
3. 废墟；遗迹[P]
   We visited the ruins of the temple.

   我们参观了那个庙宇的遗迹。

4. 倾家荡产；丧失地位；堕落[U]
5. 祸因[the S]
   Drink was his father's ruin and it will be the ruin of him too!

   酗酒是他父亲毁灭的原因，他也将遭同样的厄运！

vt.

1. 使毁灭；毁坏
   The heavy rain ruined our holiday.

   大雨把我们的假期彻底搞糟了。

   The flood ruined the crops.

   水灾毁坏了庄稼。

2. 使成废墟
   The hurricane ruined all the houses here.

   飓风使这里所有的房屋成为废墟。

3. 使破产；诱奸

vi.

1. 毁灭，毁坏
2. 变成废墟
3. 破产；堕落

n.

1. physical destruction or collapse.
2. the remains of a building that has suffered much damage.
3. a dramatic decline; a downfall.

v.

1. damage irreparably; reduce to a state of ruin.
   ▸reduce to poverty or bankruptcy.
2. literary fall headlong.