He started running at 4:30 am.

他从凌晨4：30开始跑步。

youdao

When I started running in my 30s, I realized running was a battle against myself.

当我30多岁开始跑步时，我意识到跑步是一场与自己的较量。

youdao

When I started running in my 30s, I realized running was a battle against myself, not about competition or whether or not I was athletic.

我30多岁开始跑步时，我意识到跑步是一场与我自己的较量，这不是一场比赛，也不关乎我是否是名运动员。

youdao

He started the first running club in America and wrote a book about jogging for fitness.

VOA: special.2010.06.08

"I was running away and they started shooting and a bullet hit the chest of a young man of maybe 18,19.He died."

VOA: standard.2010.07.01

She heard her father and her ten year old son had been killed and started running home.

BBC: [an error occurred while processing this directive]

Smartphone usage further accelerated once the iPhone and Android phones started running on 3G networks.

FORBES: The Solution For The Bandwidth Shortage? Better Silicon Devices

When contractors started running into trouble, the government lacked the expertise to understand or assist.

FORBES: Lessons For Obama In Clinton's Near-Destruction Of The Military Space Program