# I do not want you to be uninformed

"I want you to know"

# brothers

Here this means fellow Christians, including both men and women.

# but I was hindered until now

"but until now, something has always prevented me"

# in order to have some fruit among you,  just as I have had among the rest of the Gentiles

"so that my work may bear spiritual fruit among you, just as it has among the other Gentiles