Overwork is the ruination of his health.

过度劳累搞垮了他的身体。

Or I'll be the ruination of the child.

否则我会把这个孩子给毁了。

The olive is spoken of as the ruination of martini .

有人认为橄榄会使马丁尼酒走味。

If you resent having to provide treats for marauding hordes of masked children, console yourself with the idea that you are contributing to the ruination of their teeth.

如果你憎恨必须得给那帮打劫的戴面具的小孩子们糖吃，那就安慰自己说我是在给他们长虫牙做贡献。