一定: fixed; established; regular要: important; essential听: hear; listen一定要: be bound to; must; youngji肯定,注定;一定要: be bound to妈妈,我一定要: mamma, i ll be我一定要: volo=i will一定要记住: tiramisu一定要看: net for money一定要说: must say goodbye一定要小心: to be careful既然一定要走: in that case i won’t keeyou but you’ve got to come again你一定要爱我: you must love me你一定要相信: you have to belive it齐秦《一定要有你》: my funny friend and me却一定要爬行: but then you make me crawl一定要到那儿: got to be there一定要刷牙噢: make sure you brush your teeth一定要做某事: be sure to do sth; to be stubborn to stick to赞成, 一定要受罚: be for it不一定要大声说出: nice story with pictures不一定要这样吧: it doesn't have to be this way就一定要把它做好: what is worth doing is worth doing well你一定要记住这点: you must remember this你一定要想办法: you've got to do something