Je was op zoek naar: disproporzjonalment (Maltees - Engels)

it-temma tat-titjib f'dan it-tul ta' żmien jista' jkun disproporzjonalment għoli;
completing the improvements within the timescale would be disproportionately expensive;

l-esperjenza matul is-snin wriet li proġetti fuq skala kbira ta’ interess għall-ue għandhom it-tendenza li jkun disproporzjonalment għoljin għall-baġit żgħir tal-ue.
experience over the years has shown that large scale projects of interest to the eu tend to be disproportionately expensive for the small eu budget.