in itself就其本身而言;实质上
of itself自行地
Life Itself生活本身;人生如戏;一粒细胞见世界
reveal itself出现;呈现
thing itself物自体;东西本身;事物本身
repeats itself重演
destroy itself自灭
PRON-REFL（反身代词） Itself is used as the object of a verb or preposition when it refers to something that is the same thing as the subject of the verb. 它本身 [v PRON, prep PRON]
Scientists have discovered remarkable new evidence showing how the body rebuilds itself while we sleep.
科学家们已经发现了非同寻常的新证据，证明睡眠时我们的身体如何自行恢复。
PRON-REFL-EMPH（强调反身代词） You use itself to emphasize the thing you are referring to. 本身 (表示强调)[强调]
I think life itself is a learning process.
我认为生活本身是一个学习的过程。
PRON-REFL-EMPH（强调反身代词） If you say that someone is, for example, politeness itself or kindness itself, you are emphasizing that they are extremely polite or extremely kind. (加在词后表示强调) 自身 [n PRON] [强调]
He is rarely satisfied with anything less than perfection itself.
他对任何不十分完美的事情都极少满意。