在这里，"他跑着跑着" 指的是一个人在进行连续的跑步动作。可以用 "he was running" 来表示这个意思。
来源：
"Running" 是英语中的一个动词，表示 "to move swiftly on foot so that both or all feet are not on the ground during each stride"（快速用脚移动，使每一步时都有至少一只脚不着地）的意思。它来自古英语中的 "rinnan"，其本意是 "flow, move forward rapidly"。
一些英文例句及其中文翻译：
He was running through the park when he tripped and fell. 他在公园里跑着跑着时跌倒了。
She saw the thief running away from the store. 她看到小偷从商店里跑了出去。
The children were running around the playground. 孩子们在操场上跑来跑去。
来源：
"Running" 是英语中的一个动词，表示 "to move swiftly on foot so that both or all feet are not on the ground during each stride"（快速用脚移动，使每一步时都有至少一只脚不着地）的意思。它来自古英语中的 "rinnan"，其本意是 "flow, move forward rapidly"。
一些英文例句及其中文翻译：
He was running through the park when he tripped and fell. 他在公园里跑着跑着时跌倒了。
She saw the thief running away from the store. 她看到小偷从商店里跑了出去。
The children were running around the playground. 孩子们在操场上跑来跑去。