Maintain vs Sustain

Quando usar cada um em inglês, com significado, registro e exemplos.

Maintain

Top 2000 (comum) B2 verb

Sustain

Top 2000 (comum) C1 verb

	Maintain	Sustain
Pronúncia	🇬🇧 //meɪnˈteɪn// 🇺🇸 //meɪnˈteɪn//	🇬🇧 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/ 🇺🇸 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/
Significado	To keep something in good condition or continue to have it.	Manter algo funcionando ou em andamento. To keep something going or maintain it.
Exemplo	To maintain a healthy lifestyle, you should exercise regularly.	We must find ways to sustain our natural resources for the future.
Registro	Neutro	Neutro
Quão comum	Top 2000 (comum)	Top 2000 (comum)
Nível CEFR	B2	C1
Classe gramatical	verb	verb
Colocações	maintain order, maintain balance, maintain standards, maintain equipment	no longer, barely, indefinitely, be able to, can, be unable to
Antônimos	neglect, abandon, discontinue	neglect, abandon, cease
Erros comuns	Confused with 'mainten' which is not a word., Using 'maintain' with uncountable nouns incorrectly., Omitting the object when using it in a sentence.	'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.
Notas de uso	Used in contexts involving care, upkeep, or support. Appropriate in both spoken and written English but varies from technical discussions to daily conversation.	Use 'sustentar' em contextos sobre manter algo vivo ou apoiá-lo ao longo do tempo. Pode ser formal ao discutir tópicos como questões ambientais ou menos formal em conversas sobre interesses pessoais. 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.

Veja em clipes reais

Whether or not you can maintain loyalty.

Maintain

"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

Perguntas frequentes: Maintain vs Sustain

Qual é a diferença entre Maintain e Sustain?

Maintain: To keep something in good condition or continue to have it. Sustain: To keep something going or maintain it.

Qual é mais avançada: Maintain e Sustain?

Sustain é o nível mais alto, em C1, na escala CEFR.

Maintain e Sustain estão no mesmo nível CEFR?

Maintain: B2, Sustain: C1 na escala CEFR.

Que classe gramatical são Maintain e Sustain?

Maintain: verb, Sustain: verb.

Pode mostrar um exemplo de cada?

Maintain: To maintain a healthy lifestyle, you should exercise regularly. Sustain: We must find ways to sustain our natural resources for the future.

Posso usar Maintain e Sustain de forma intercambiável?

Nem sempre. Maintain e Sustain são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.