你追我赶

friendly one-upmanship / to try to emulate

you (informal, as opposed to courteous 您[nin2])

to sculpt / to carve / musical instrument (old)

to chase / to pursue / to look into / to investigate / to reminisce / to recall / to court (one's beloved) / to binge-watch (a TV drama) / retroactively / posthumously

I; me; my

to overtake / to catch up with / to hurry / to rush / to try to catch (the bus etc) / to drive (cattle etc) forward / to drive (sb) away / to avail oneself of (an opportunity) / until

to overtake; to catch up with / to hurry; to rush / to try to catch (the bus etc) / to drive (cattle etc) forward; to drive (sb) away / to avail oneself of (an opportunity) / until; by (a certain time)