Someone asks you - Are you good at biology?

As a tutor following replies come to my mind :

  1. I am not into it.
  2. I don't tutor biology
  3. That's not my area of expertise

Which of the above are correct? Any better way to reply back?

  • I'm afraid not.
    – Void
    Jan 16, 2021 at 4:26

1 Answer 1


I am not into it.

That is quite informal and I suspect would mostly be used by younger people

I don't tutor biology

That is grammatical but does not really answer the question "Are you good at biology" as you could be brilliant at it but not tutor it.

That's not my area of expertise

That is perfectly fine but quite formal. You would be more likely to use it in writing.

And as @Void mentioned in comments

I'm afraid not

is a very common and correct usage.

  • Regarding the sentence - I'm afraid not. If I look in dictionary the meaning for afraid is like - worried, anxious. How does it fits here. If we take the literal meaning of afraid then the sentence I'm afraid not , sounds like I'm worried.
    – pensee
    Jan 16, 2021 at 19:51
  • It is commonly used in the sense of worried or sorry. An alternative would been to have just replied "Sorry". It does not in this context carry the sense of fear.
    – mdewey
    Jan 17, 2021 at 13:23

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