Omniscient means knowing everything. God is omniscient in many religions. It is an adjective.

Omniscient Omniscient means意思是knowing everything無所不知。In many religions在許多宗教裡, God神is omniscient是全知的。It它is an adjective是形容詞。

You may also see omniscient used as a noun for a being who knows all, but that use is rarer and rather bookish.

You你may also see omniscient used as a noun也可能看到omniscient被當作名詞使用for a being who knows all指無所不知的存在, but that use is rarer and rather bookish但這種用法比較少見，也偏書面語。

In school, the phrase you will meet is omniscient narrator: the person telling the story who can go into every head, and who knows the past and the future of the tale.

In school在學校裡, the phrase you will meet你會遇到的詞組is omniscient narrator是omniscient narrator（全知敘事者）: the person telling the story who can go into every head講故事的人能進入每個人的腦袋, and who knows the past and the future of the tale也知道整個故事的過去和未來。

Though actually, even teachers stretch this a little. A narrator can know a lot without knowing everything; still, English class stamps this word on that style of story.

Though actually不過其實, even teachers stretch this a little連老師都會把這個字稍微用得寬鬆一點。A narrator can know a lot一個敘事者可以知道很多事without knowing everything卻不必無所不知; still即使如此, English class stamps this word on that style of story英文課還是會把這個字用在這種風格的故事上。

In everyday talk, calling a person omniscient is usually a joke or a complaint — as if they think they cannot be wrong.

In everyday talk在日常對話裡, calling a person omniscient說一個人omniscient is usually a joke or a complaint通常是開玩笑或抱怨— as if they think they cannot be wrong好像他們覺得自己不可能出錯。

It is a formal word. The noun is omniscience. Do not mix it with omnipotent (all-powerful) or omnipresent (everywhere).

It它is a formal word是正式的詞。The noun名詞形式is omniscience是omniscience。Do not mix it不要把它搞混with omnipotent (all-powerful)跟omnipotent（全能的）or omnipresent (everywhere)或omnipresent（無所不在的）。