应该是:speak up for 吧!?speak up for 的意思是“替***说好话;为***辩护”。例如:1. Don't be shyl — speak up for yourself. 别害羞——你有话说出来啊.2. Mr. Kao, what are you urging him to speak up for? 高先生, 你有何必来助兴 呢 ?