I don't think that someone who does not speak the original language can ever expect to produce a real translation.
Christian WimanMandelstam is the sort of poet who comes along very, very rarely. Even the two Russian poets whose work is often linked with his - Anna Akhmatova and Marina Tsvetaeva - though their work is more "urgent" than most American poetry, seem to me to operate at a lesser charge than Mandelstam.
Christian Wiman