他病得很厉害，但经医生治疗他已转危为安。 He was very ill, but the doctors brought him through.
我们的先辈曾以信念和无畏一次次转危为安，比起他们经历过的险阻，我们仍大可感到欣慰。大自然仍在给予我们恩惠，人类的努力已使之倍增。 Compared with the perils which our forefathers conquered, because they believed and were not afraid, we have so much to be thankful for Nature surrounds us with her bounty and human, efforts have multiplied it.
