高高低低

high and low / uneven (in height) / uneven (of ground)

surname Gao

high / tall / above average / loud / your (honorific)

height / altitude (aviation) / pitch (music) / ups and downs (success or failure) / whether sth is right or wrong / comparative strength, weight, depth, stature / (spoken interjection) anyway, whatever / eventually, in the end

low / beneath / to lower (one's head) / to let droop / to hang down / to incline