逆溯
nì​sù

to go against the current

nì​sù to go against the current
  1. 逆 nì verbadjective
    contrary
    in the opposite direction; backwards; counter
  2. 溯 sù
    to go upstream
    (bound form) to go against the stream; to sail or travel upriver

nì​sù to recall
  1. 逆 nì verbadjective
    contrary
    in the opposite direction; backwards; counter
  2. 溯 sù verb
    to trace back
    (bound form) to trace back to a source; to recall or look back on the past