I must remember to eat the tuna before he spoils in order to keep strong . 为了保养身体，我一定要记住趁着金枪鱼没有腐烂的时候就把它吃掉。
I shall give you a true account of what i have received in all, and how i have disposed of it . 我一定要把我一共收了多少，以及我怎么处理它，开一份可靠的帐目给你。
I must cushion the pull of the line with my body and at all times be ready to give line with both hands . 我一定要用身子稳住钓丝的拉力，随时准备用双手把钓丝松下去。
But if he does not come soon i must go in spite of all orders for i have a report to make now . 不过，如果他不马上来，那管它命令不命令，我一定要走，因为反正我现在有东西可交差啦。
I gave them every part of my own story; and i told them, i would prevail with the captain to leave them two barrels of gunpowder more . 我把我的个人的历史详详细细地告诉了他们，又说我一定要劝船长再给他们留下两桶火药。
I looked back upon my father's prophetic discourse to me that i should be miserable, and have none to relieve me, which i thought was now so effectually brought to pass that it could not be worse . 我回想到我父亲的预言，说我一定要受罪，谁也救不了我，觉得他的话果然应验，现在我的处境实在再糟也没有了。
As mother ' s good son , i must study hard 作为妈妈的好孩子，我一定要努力地学习。
I ' ve got to say it . i ' ve got something else to say 我一定要说.我还有其他要说
Mark : i ' ll become a celebrity in tennis field 马克：我一定要在网球界出人头地。
- this has got to be it . uhh ! - heh . here you go , koda -我一定要拿到-给你,柯达
