It is thus that, athwart the cloud which formed about him, when all his hopes were extinguished one after the other, M.Mabeuf remained rather puerilely, but profoundly serene.

马白夫先生便是，在处境日益黯淡、希望一一失的情况下心境却仍然宁，虽然带点稚气，但很固执。