Portuguese Phrase
Obrigado pela oferta, mas não posso assumir mais.
Meaning
This phrase is a professional and polite way to decline additional responsibilities or opportunities. It acknowledges the value of the offer while clearly stating that your current capacity is full.
When to use
Use this in a workplace setting when a colleague or manager suggests a new project, or in social situations where you are being offered a commitment you cannot fulfill.
✦Grammar Breakdown
Obrigadopelaofertamasnãopossoassumirmais
Obrigado vs Obrigada
The word for 'thank you' must agree with the gender of the speaker, not the person being spoken to.
Contraction 'Pela'
This is a mandatory contraction of the preposition 'por' (for) and the feminine article 'a' (the).
Assumir
In this context, it means to take on a responsibility or task, similar to 'to undertake'.
🗨In Conversation
Você teria interesse em liderar a nova campanha de marketing?
Would you be interested in leading the new marketing campaign?
Obrigado pela oferta, mas não posso assumir mais no momento.
Thank you for the offer, but I can't take on any more at the moment.
✕Common Mistakes
Obrigado por a oferta, mas não posso assumir mais.
The preposition 'por' and the article 'a' must contract into 'pela'.
Obrigada pela oferta, mas não posso assumir mais.
If the speaker is male, they must use 'Obrigado'. Use 'Obrigada' only if you identify as female.
↔Alternatives
Agradeço, mas estou com a agenda cheia.
I appreciate it, but my schedule is full.
No momento, não consigo aceitar novos desafios.
At the moment, I can't accept new challenges.
Cultural Tip
In Portuguese-speaking cultures, especially in business, it is important to lead with gratitude before declining. Using 'Obrigado' softens the refusal and maintains a positive professional relationship.

