跑来 + 跑去
跑来 (pǎolái) is a directional compound verb meaning "to run over" or "to come running." It combines the verb 跑 (to run) with the directional complement 来 (toward the speaker) to indicate running in the direction of the speaker.
孩子看见妈妈,高兴地跑来抱住了她。
Háizi kànjiàn māmā, gāoxìng de pǎo lái bào zhù le tā.
The child saw his mother and happily ran over to hug her.
一只小狗从对面跑来,摇着尾巴。
Yī zhī xiǎo gǒu cóng duìmiàn pǎo lái, yáo zhe wěibā.
A little dog came running from across the way, wagging its tail.
他急急忙忙地跑来告诉我这个好消息。
Tā jí jí máng máng de pǎo lái gàosù wǒ zhège hǎo xiāoxī.
He came running in a hurry to tell me the good news.