开溜

tā hái méi jié zhàng jiù kāi liū le

他还没结账就开溜了。

He scarpered without paying him bill.

ràng shí guāng dǒng de qù dào liú jiào qīng chūn bù kāi liū

让时光懂得去倒流，叫青春不开溜。

Let time know how to go back, so that youth does not slip away.