以这样的速度在这么高的地方移动，他离灾难永远只有半步之遥。

At the speed and height at which he was moving, he was never more than half a second from disaster.

《柯林斯英汉双解大词典》

我们将在早上8点半步行离开，下午5点乘公共汽车返回。

We will leave at 8:30 in the morning on foot and return at 5 o'clock in the afternoon by bus.

youdao

向前小半步并保持膝盖微曲。

Take a half step forward and keep your knees bent.

youdao