no doubt

基本解釋

And there must be no doubt: As America’s first Pacific President, I promise you that this Pacific nation will strengthen and sustain our leadership in this vitally important part of the world.
毫無疑問，作為美國的首位心系太平洋的總統(tǒng)，我向你們承諾，這個太平洋國家將增強并持續(xù)保持我們在世界這一極其重要地區(qū)的主導(dǎo)地位。
Of this I have no doubt before meeting him.
在見到他之前我就對此毫不懷疑。
No doubt about that.
那是毫無疑問的。

"And as Iran's leaders continue to ignore their obligations, there should be no doubt: they,too, will face growing consequences.
Now,that thing that wakes up after this complete irreversible amnesia will no doubt eventually develop a personality,a set of beliefs,memories.
這人在經(jīng)歷了完全不可逆的失憶后醒來,最終發(fā)展出了自己的人格，信念和記憶。
耶魯公開課 - 死亡課程節(jié)選
And after the usual amount of scholarly debate, there seems to be no doubt that it was the City of Troy.
經(jīng)過一番學術(shù)討論之后,這里被確定為特洛伊城
耶魯公開課 - 古希臘歷史簡介課程節(jié)選

And he said there's no doubt for him the Clinton campaign was throwing the race card.
NPR: Injecting Race into Politics