True friendship is like sound health, the value of it is seldom know until lost---C. C. Colton, English author.

真正的友谊就像健康，失去时才知其宝贵---C.C。科尔顿英国作家。

youdao

youdao

youdao

The captain fought to save as many people as he could until he too was lost.

VOA: special.2009.11.11

And it wouldn't be another twenty-two years after that until Milton actually published Paradise Lost.

直到22年后,弥尔顿才真正出版《失乐园》

耶鲁公开课 - 弥尔顿课程节选

Until the house lost its money and all of a sudden disappeared.

要么庄家赔光了,突然消失。

斯坦福公开课 - 经济学课程节选

Both men gouged, pounded and pulverised until one lost his balance and was barrelled out of the ring.

BBC: The life of a sumo wrestler

Qayum was a member of parliament for Kandahar Province until he lost reelection last fall.

MSN: After Karzai, who will fill Afghan power void?

The last one stood here for more than 30 years -- until we lost it in a storm earlier this year.

WHITEHOUSE: National Christmas Tree Lighting Ceremony