The war and the years in the harsh mountains had prematurely aged him.

战争和恶劣的深山老林的岁月使他提早衰老了。

He was careful not to celebrate prematurely.

他很谨慎，没有过早地举行庆祝活动。

Danny was born prematurely, weighing only 3lb 3oz.

丹尼是个早产儿，出生时体重只有3磅3盎司。