It takes me half an hour to practice playing the piano.

我花了半个小时练习弹钢琴。

youdao

It takes me half an hour to finish the work.

完成这项工作花费了我半个小时。

youdao

It usually takes me half an hour to finish my homework.

完成家庭作业通常要花我半个小时。

youdao

Part of it is, it takes me an hour and half to settle myself down enough, that I'm actually paying attention and, be more aware of what happening.

每一次，都需要一个半小时,来让我的头脑镇静下来，然后我才能真正地集中注意，感受身边发生的事情。

普林斯顿公开课 - 人性课程节选

.. Let me give you a sense of, in the next half an hour and so, a sense of what you expect in this class.

我再来讲讲，接下来的半小时，我会向你们介绍下这门课的内容。

哈佛公开课 - 幸福课课程节选

If somebody comes here in a nice clean car and comes in to see me for half an hour and they go out and their car is covered they're not going to be happy.

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She phoned me back about half an hour later, saying that she had spoken to her boss, who was certain that the robot could not have been at fault but that neither of them had an alternate explanation.

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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.

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