さかのぼらなきゃ【遡らなきゃ】
sakanoboranakya
1. Have to go back.; Must retrace steps.
★ Common
Verb
#606282
1. Have to go back.; Must retrace steps.
1. to go upstream; to go up (a river)
2. to go back (to the past or origin); to date back (to)
1. cannot do without something; indispensable
2. have to do
1. Have to; Must
1. Have to do; Must do
1. Must turn on; Have to turn on
1. Must give birth.; Have to bear (it).
1. Must do; Have to do
1. Have to do; Must do
1. Must eat.; Have to eat.