must needs

基本解释

That saint on earth, as the people uphold him to be, and as- I must needs say- he really looks!
人们都把他看作世间的圣者，而且连我都得说，他的样子真象极了！
That is why I am always reluctant to publish books of the words of songs, for therein the soul must needs be lacking.
这就是为什么我总不愿意把我的歌词结集成书加以发表的原因，因为那样的话，里面一定是缺乏灵魂的。
And when ye shall hear of wars and rumours of wars, be ye not troubled: for such things must needs be; but the end shall not be yet.
你们听见打仗，和打仗的风声，不要惊慌。这些事是必须有的，只是末期还没有到。

He said the donors must make sure Haiti gets the money it needs when it needs it.
The new prince, as we've seen, must know how to use religion but needs to learn how not to be used by religion, must not become a dupe of the religious.
正如我们所看到的，这种新型君主必须知道,如何去利用宗教而不是被宗教所利用,必须避免成为受宗教愚弄摆布的对象。
耶鲁公开课 - 政治哲学导论课程节选
When you say "it must", this usually does not mean it needs to do something.
当你说“It must”的时候，通常并不表示它需要做某事。
Must 课堂 - SpeakingMax英语口语达人

For to go as a passenger you must needs have a purse, and a purse is but a rag unless you have something in it.
NPR: Excerpt: 'Moby-Dick'