Hang on. I'll be ready in half a minute.

等一下。我马上就准备好了。

《牛津词典》

He made 135 jumps in half a minute.

他在半分钟内跳了135下。

youdao

The next contestant surprised me. She made139 jumps in half a minute.

下一个参加比赛的人使我吃惊，她在半分钟之中跳了139下（指跳绳）。

youdao

And every minute and a half, another mother dies giving birth somewhere in the world.

VOA: standard.2010.05.11

God whips out the old soul, destroys it, puts in a new one with maybe souls only last for a minute and a half.

上帝拿走旧的灵魂，毁掉，注入新的灵魂,那个灵魂可能只产生了一分半钟。

耶鲁公开课 - 死亡课程节选

They have a robot that competes in a two and a half minute game and then they start building with other materials, keeping the computer brick, the NXT Brick.

FORBES: Got Engineers, America? Have Your Kids Study Lego Bricks in School!

It reached Mach 4.8 in less than half a minute powered by a solid rocket booster.

NPR: Experimental Air Force Aircraft Goes Hypersonic

The game became bogged down in a midfield battle in the third quarter although Farren had a half-chance blocked in the 61st minute.

BBC: Derry City 0-1 Cork City