to say goodbye to sth or to wave goodbye to sth放弃某事物；告别某事物
He said goodbye to his hopes of becoming a singer.他放弃了当歌星的梦想。
He has probably waved goodbye to his last chance of Olympic gold.他可能已经放弃了拿奥运金牌的最后机会。
He said goodbye to his possessions.他放弃了自己的财产。