He was bludgeoned by his parents into giving up his study abroad plan.

bludgeoned 是动词 bludgeon 的过去分词形式。bludgeon 原指"用棍棒殴打"，引申为"强迫、胁迫"的意思，表示通过强硬手段迫使某人做某事。这里用被动语态表示"被强迫"。