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Mahmoud Seliem Posted 5 years ago
Grammar

Is there a difference between expert(in/on/at)?

Is there a difference between expert(in/on/at)?

  

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Mahmoud Seliem Is there a difference between expert(in/on/at)? There is a difference in frequency. 'in' is used most, then 'on', and of the three 'at' is used the least.

— CalifJim

  • Mahmoud Seliem Is there a difference between expert(in/on/at)?
  • There is a difference in frequency.
  • 'in' is used most, then 'on', and of the three 'at' is used the least.
  • Also, if you want to express an activity with a verb in the -ing form, the preposition you'll want is 'at' ( expert at solving puzzles; expert at training football players; expert at organizing public events ).
  • Other than that, there is little difference between those phrases.
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2 Answers
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Mahmoud Seliem

Is there a difference between expert(in/on/at)?

There is a difference in frequency. 'in' is used most, then 'on', and of the three 'at' is used the least.

Also, if you want to express an activity with a verb in the -ing form, the preposition you'll want is 'at' (expert at solving puzzles; expert at training football pla

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To comment further, speaking very generally, "in" is used when talking about scientific/technical subjects:


He's an expert in structural dynamics.


"On" is used mostly with academic subjects in the liberal arts:


He's an expert on existential philosophy.


"At" tends to be used with less cerebral and more hands-on subjects:


He's an expert at r

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