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》

It takes about half an hour to get to the airport.

到机场大概需要半小时。

《牛津词典》

The journey to the airport takes about half an hour.

到机场大约需要半小时。

《牛津词典》

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

VOA: standard.2009.11.24

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

It's about maybe half an hour, one hour from Barbados and maybe another hour and half from Puerto Rico.

从巴巴多斯岛到那儿大概要半小时或一小时；从波多黎各到那儿则需要再花上一个半小时。

和纽约的留学生 - SpeakingMax英语口语达人

After they speak, we will spend about half an hour or so taking your questions.

WHITEHOUSE: Press Briefing on Security Review

Parisa Hatami, who attended Monday's demonstration, said the calls lasted for about half an hour.

CNN: Moussavi vows to 'pay any cost' to fight Iran election results

The opening of the attraction was delayed by about half an hour because of the protest.

BBC: Sanctions protest hits Millennium Wheel