稚气的

They only had what passed for self-awareness, cloaking a flightiness and lethargy that was both childish and very real.

他们仅仅拥有所谓的“自我意识”，并以此掩饰着自身既但又实的肤浅和懒散。

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.

马白夫先生便是这样，他在处境日益黯、希望一一消失的情况下心境却仍然宁静如初，这虽然带，但很固执。