If no one claims the lost umbrella, the person who found it can keep it.

如果没人认领这把丢失的雨伞，拾到者自己可以留着。

youdao

Somewhere along the way I lost my umbrella.

我把雨伞丢失在沿途某处了。

youdao

She lost control soon after and will always be remembered for beating up a minivan with an umbrella, shaving her head and getting multiple tattoos under the influence of alcohol.

至此之后她的生活失去了控制，人们应该还记得他用伞敲打小货车，在酒精的作用下疯狂摇头一口气抽很多只雪茄的样子吧。

youdao

INC, once an umbrella group for several parties, lost most of its network when Mr Hussein's troops overran its base in northern Iraq in 1996.

ECONOMIST: Iraq��s opposition: No aid yet for Saddam’s foes | The

Most industry watchers agreed that big umbrella sites like MySpace and Facebook have lost some sizzle to smaller niche players, which can offer advertisers more precisely targeted audiences because the sites cater to specific interests.

FORBES: Facebook Falters In Europe