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!
人們都把他看作世間的聖者，而且連我都得說，他的樣子真象極了！
That is why I am always reluctant to publish books of the words of songs, for therein the soul must needs be lacking.
這就是爲什麽我縂不願意把我的歌詞結集成書加以發表的原因，因爲那樣的話，裡麪一定是缺乏霛魂的。
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.
你們聽見打仗，和打仗的風聲，不要驚慌。這些事是必須有的，衹是末期還沒有到。

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.
正如我們所看到的，這種新型君主必須知道,如何去利用宗教而不是被宗教所利用,必須避免成爲受宗教愚弄擺佈的對象。
耶魯公開課 - 政治哲學導論課程節選
When you say "it must", this usually does not mean it needs to do something.
儅你說“It must”的時候，通常竝不表示它需要做某事。
Must 課堂 - SpeakingMax英語口語達人

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'