"必须结婚" 英文可以表达为 "must marry" 或 "have to marry". 这两个表达方式的意思是一样的,都表示 "必须" 或 "不得不" 结婚的意思。

下面是一些例句:

I must marry him because our famipes have arranged the marriage. (我必须和他结婚,因为我们的家庭安排了这场婚礼。)
She feels pke she has to marry him because she is pregnant. (她感觉自己必须和他结婚,因为她怀孕了。)
Some cultures have traditional customs that require people to marry within their own group. (有些文化有传统习俗,要求人们在自己的群体内结婚。)

"must" 和 "have to" 都是英语中常用的情态动词,表示 "必须" 或 "不得不" 的意思。它们可以用来描述对于某件事情的必要性或强制性。例如:

You must turn off your phone before the movie starts. (在电影开始前,你必须关掉你的手机。)
I have to finish this report by tomorrow. (我必须在明天之前完成这份报告。)

希望这些信息对你有帮助!