1. Which is correct:
a) "I'm no expert in gastronomy."
Or
b) "I'm no expert on gastronomy."
2. And how about:
a) "I'm no expert in fish."
Or
b) "I'm no expert on fish."
3. And which sounds better:
a) "In what are you an expert?"
Or
b) "What are you an expert in?"
Usually, someone can be an expert in an area/field or on a particular topic . Thus, "an expert in gastronomy" "an expert on fish". " See above.
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Usually, someone can be an expert in an area/field or on a particular topic.
Thus,
"an expert in gastronomy"
"an expert on fish".
Christine ChristieAnd which sounds better:a) "In what are you an expert?"Orb) "What are you an expert in?"
See above. If you're referring to a broad area or field of research, use "in"