Sustain 对比 You're trying to keep her alive

在英语中何时使用每一个，包含含义、语域和例句。

Sustain

前 2000（常见） C1 verb

You're trying to keep her alive

前 2000（常见）

	Sustain	You're trying to keep her alive
发音	🇬🇧 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/ 🇺🇸 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/	🇬🇧 //jʊəːr ˈtraɪɪŋ tə kiːp hɜːr əˈlaɪv// 🇺🇸 //jʊr ˈtraɪɪŋ tə kip hɜr əˈlaɪv//
含义	保持某事物的持续或维护它。 To keep something going or maintain it.	You want to make sure she stays alive.
例句	We must find ways to sustain our natural resources for the future.	In the middle of the storm, you're trying to keep her alive by finding shelter.
语域	中性	中性
常见程度	前 2000（常见）	前 2000（常见）
CEFR 等级	C1	-
词性	verb
搭配	no longer, barely, indefinitely, be able to, can, be unable to	keep someone alive, try to keep alive, keep alive an idea
反义	neglect, abandon, cease	-
常见错误	'Sustain' is often confused with 'sustained' as a past form., Learners sometimes forget to add an object after 'sustain'., 'Sustain' is misused when referring to temporary situations, instead of ongoing support.	Confusing 'keep alive' with 'keep alive' in technical contexts., Using 'you' instead of 'one' in formal writing., Not clarifying who 'her' refers to in complex sentences.
用法说明	在谈论保持某物活着或长期支持时使用'维持'。在讨论环境问题等正式话题时可能比较正式，而在谈论个人兴趣时则可以不那么正式。 Use 'sustain' in contexts about keeping something alive or supporting it over time. It can be formal when discussing topics like environmental issues or less formal in conversations about personal interests.	Use in situations involving emergencies or critical care. Suitable for serious contexts but avoid in casual conversations.

在真实片段中看它

"And I might share with you some words which have sustained me

Sherlock › S1 E1

Impossible to sustain a smoking habit in London these days.

There's not a planet in our solar system that could sustain life...

"And I might share with you some words which have sustained me

Sherlock › S1 E1

Impossible to sustain a smoking habit in London these days.

Sustain

You're trying to keep her alive. You can't let her go.

You're trying to keep her alive

常见问题：Sustain 对比 You're trying to keep her alive

Sustain和You're trying to keep her alive 有什么区别？

Sustain: To keep something going or maintain it. You're trying to keep her alive: You want to make sure she stays alive.

能各给一个例子吗？

Sustain: We must find ways to sustain our natural resources for the future. You're trying to keep her alive: In the middle of the storm, you're trying to keep her alive by finding shelter.

我可以互换使用 Sustain和You're trying to keep her alive 吗？

不总是。Sustain和You're trying to keep her alive 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。