Word · Frequency #396
itself
它自己；它本身
核心释义
itself
- 1.
它本身
pron. The neuter reciprocal pronoun of It; as, the thing is；good in itself; it stands by itself.
它本身
用法In use
The heating system turns itself off at night to save energy.
用法提示：itself 是反身代词，作 turn off 的宾语，表示动作返回到主语 heating system 本身。
She was surprised when the door opened by itself.
用法提示：by itself 是固定搭配，itself 强调门本身自动发生，无人操作。
The idea itself is good, but the plan needs more work.
用法提示：itself 紧跟在名词后加强语气，强调“就是这个想法本身”。
by itself
表示“独自地，自动地”
The door opened by itself.
门自己开了。
in itself
表示“本质上，本身”，常用于评价。
The plan is fine in itself, but it needs more resources.
相关词与表达Connections
搭配Collocations
- by itself
- 独自，单独
- The machine can run by itself.这台机器可以自己运行。
- in itself
- 本身，本质上
- The idea is not new in itself.这个想法本身并不新颖。
- speak for itself
- 不言自明
- The evidence speaks for itself.证据不言自明。
- end in itself
- 本身是目的
- Education should be an end in itself.教育本身应该是目的。
- lend itself to
- 适用于，适合于
学习提示Learner notes
记忆技巧Memory Tip
it（它）+ self（自己）→ 它本身。想象物体自指。
语境与语域Context & Register
反身代词，中性语域，多用于书面语和正式口语，强调主语自身。
语法说明Grammar Note
反身代词，用于强调或表示动作返回自身。
发音与拼写Pronunciation & Spelling
All listed words share the same stressed vowel /ɛ/ and ending /sɛlf/ as in 'itself', making them perfect rhymes. Be aware that 'shelf' (/ʃɛlf/) is a common spelling lookalike but has a different initial consonant.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.