[Tdol]

then continued his studies in Oxford,- I'd use 'at' as it's the university really ore than the city.
where in 1878 he won a poetry prize- where he won a poetry prize in 1878
with other man- another
still young looking man- I'd remove 'still'
got used to meet- meeting
Basil thought that sometimes the hurting him- unclear what you mean
And so it was about the painting- I'd use 'with the painting'
a blood- blood is uncountable
when the pcture still used to be pretty- when the picture was still pretty