"可我又不在你手下工作，你为什么偏偏要挑我？" "爱国的美国人，你已在这儿呆了多的。你知道，哈瓦那必须要有我们的人。" "But I'm not in your Service. Why do you pick on me?" "Patriotic American. Been here for years. We must have our man in Havana, you know."
我必须要仔细检查这些帐单，然后才会付款。 I must look these bills through before I pay them.
职责所在，一个军人是必须要去的。 A soldier needs must go where duty calls.
你所必须要做得就是跟着我。 All (What) you have to do is (to) follow me.
这门功课必须要得A我才能上光荣榜。 I need an A in this course to get on the honor roll.