The mistake and the professional correction
Wrong
“No impossible.”
Correct
“I'm afraid that won't be possible.”
In English, 'no impossible' is not a natural professional sentence. It sounds like a direct translation and can feel too sharp, especially in customer service or client conversations. A better structure is to soften the refusal first, then explain clearly. For example: 'I'm afraid that won't be possible today' or 'Unfortunately, we are not able to approve that request.'
Why Arabic speakers make this mistake
Arabic speakers often use strong and efficient phrases such as 'لا، مستحيل' or 'ما يصير' to reject an idea. In Arabic, tone, relationship, and context can make the phrase sound normal or even friendly. In English business communication, however, the words need more softening. Saying 'no' plus 'impossible' can sound final, emotional, or unhelpful. English usually prefers a polite buffer, such as 'I'm afraid', 'unfortunately', or 'I understand', before the refusal.
How to say it correctly in real professional situations
A client asks your team to deliver a full project two days earlier than agreed.
“I'm afraid that won't be possible with the current scope, but we can prioritise the most urgent items first.”
A customer asks for a refund after the allowed refund period.
“Unfortunately, we are not able to process a refund after the policy deadline. However, I can offer you store credit as an alternative.”
The interviewer asks if you can start immediately, but you need to give notice.
“I would be happy to join as soon as possible, but I need to complete my notice period first. My earliest start date would be 1 August.”
A customer asks for a service that your company does not provide.
“I understand what you are looking for. At the moment, we do not offer that service, but I can suggest another option.”
Your manager asks you to take on another urgent task when your schedule is full.
“I can help, but I may need to move one of my current deadlines. Which task should I prioritise?”
Why does this matter in a professional context?
When you say 'no impossible', the listener may understand your meaning, but the phrase can sound abrupt or dismissive. In client-facing roles, that may create the impression that you are closing the conversation instead of helping the person find a solution. A polite refusal does not mean you are weak. It means you are clear, calm, and professional. Phrases like 'I'm afraid that won't be possible' or 'Unfortunately, we are not able to...' show that you respect the other person while still protecting your time, policy, or business limits.
Ready-to-use phrases for polite refusal
“I'm afraid that won't be possible.”
Use this when you need to say no clearly but politely in a meeting or call.
“Unfortunately, we are not able to do that at the moment.”
Good for emails, customer service replies, and formal situations.
“I understand your request, but we cannot approve it under the current policy.”
Useful when you need to refer to company rules or approval limits.
“That would be difficult with the current timeline.”
Use this when the answer is not a hard no, but the request is unrealistic.
“We cannot do that, but here is what we can offer.”
Helpful when you want to refuse and immediately give an alternative.
“Let me check what options are available.”
Use this before refusing if you want to sound careful and service-minded.
What to say instead
What many Arabic speakers say
“No impossible, we cannot do this.”
It sounds too direct and unnatural in professional English.
What to say instead
“I'm afraid that won't be possible, but we can discuss another option.”
It is polite, clear, and keeps the conversation open.
Other phrases to double-check
- •Say 'I can't' or 'I am not able to', not 'I no can'.
- •Say 'It is not possible', not 'it not possible'.
- •Say 'I disagree' or 'I see it differently', not only 'no, wrong'.
- •Say 'Could you please wait?' not 'wait'.
- •Say 'I need more time' not 'give me time'.
- •Say 'We cannot guarantee that' not 'we cannot promise you 100%'.
Frequently asked questions
Is 'no impossible' correct English?▾
Why do Arabic speakers say 'no impossible' in English?▾
What is the difference between 'impossible' and 'not possible'?▾
How can I remember the polite way to say no in English?▾
Do you say 'no impossible' in professional English?
Train polite refusals in realistic client and workplace conversations, so you can sound calm, helpful, and professional under pressure.
Practise saying no politely in English