His leg hasn't quite healed yet, but pain-killers make it bearable.他的腿尚未痊愈，不过吃了止痛片就能撑过去。Patients were asked if they had cut down their use of painkillers.病人们被问及是否减少了止痛片的服用量。You can pre-empt pain by taking a painkiller at the first warning sign.刚出现征兆时，就服用止痛片来预防疼痛。