lên

lên
verb
  1. to go up, come up, rise
  2. to be or reach a certain age
  3. to get on (a vehicle)
  4. to go to (a more developed area)
  5. (of a machine) to be activated

adv
  1. upwards

trên

trên
adj
  1. upper
  2. higher, superior

prep
  1. on