strive to catch up and overtake one another; one tries to outstrip the other;vie with each other
❍ 两个小组～，各不相让，展开了激烈的比赛。The two groups were locked in a fierce race with one trying to outstrip the other.
你追我赶ní zhuī wǒ ɡǎn
形容彼此互相展开竞赛，在工作或学习上相互追赶，不甘落后。try to overtake each other in friendly emulation, fall over one another, chase each other