I only slept about half an hour that night.

那天晚上我只睡了大约半个小时。

《柯林斯英汉双解大词典》

The journey to the airport takes about half an hour.

到机场大约需要半小时。

《牛津词典》

The band only played for about half an hour—it was a real sell.

乐队仅仅演奏了大约半个小时—真让人失望。

《牛津词典》

Officials say it took staff on Christmas Island about half-an-hour to regain control.

VOA: standard.2009.11.24

The president would spend at least a half hour going over what happened overnight, what the intelligence community was picking up about threats to the country.

总统至少要花半个小时,来了解过去一晚发生的事情，了解情报局选取的,可能威胁国家的信息。

普林斯顿公开课 - 国际座谈会课程节选

You thought about it maybe for a half an hour.

你想了大概半个小时。

耶鲁公开课 - 死亡课程节选

About half an hour after the performance--you know, the adrenalin would keep me up--and then about half an hour later it was like I'd been hit with a truck.

NPR: A Conversation with Lynn and Vanessa Redgrave

The tour lasted about an hour and a half about half an hour longer than usual because, as the visitors left, they repeated their customary bow to each worker in the plant.

FORBES: Business Networking That Works . . . It's Called Quid Pro Quo

About a half hour later, in the town of Mussayab about 45 kilometers (28 miles) south of Baghdad, a parked car bomb went off in an open market, killing four civilians and wounding 13.

NPR: Iraq Attacks Kill 36 Less Than A Week Before Vote