任由
rèn​yóu

to let

rèn​yóu to let
  1. 任 rèn verbadjective
    to allow
    To let something happen, to give free rein to, or to listen to someone's whim.
  2. 由 yóu verb
    to let
    to leave it to (someone); to let (someone do as they please); to be up to

rèn​yóu no matter
  1. 任 rèn
    no matter
    Used to express that something is true regardless of the circumstances, similar to 不管 bù​guǎn or 无论 wú​lùn.
  2. 由 yóu verb
    to let
    to leave it to (someone); to let (someone do as they please); to be up to