趕前不趕後

it's better to hurry at the start than to rush later (idiom)

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)

front / forward / ahead / first / top (followed by a number) / future / ago / before / BC (e.g. 前293年) / former / formerly

no; not so / (bound form) not; un-

back / behind / rear / afterwards / after / later / post-