Poiché Mario , Carlo lo ha severamente criticato , (pro) era imbarazzato .
because M.MASC.SG . C.MASC.SG . CL.ACC.MASC.SG . AUX.IND.PRS.3SG . severely criticize.PST.PTCP . pro be.IND.IPFV.3SG . embarrassed.MASC.SG . 
Because Mario, Carlo has severely criticized him, (he) was embarrassed.