For instance, is there difference in the following phrases:?
An engineer must be strong of Mathematical Skills.
and
An engineer must be strong in Mathematical Skills.
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1I think this is a sentence fragment. I'd say: An engineer must have strong mathematical skills. (No capitals are necessary, imo.)– WRXCommented Apr 7, 2017 at 14:25
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@Willow, of course! This is the main problem for english learners, whose native language doesn't suppose (undefinite) arcticles at all :-))– aryndinCommented Apr 7, 2017 at 14:30
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3strong in is much more idiomatic than strong of. (By the way, it's mathematical.)– stangdonCommented Apr 7, 2017 at 14:35
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1@jumpjet67 Confusingly, you can use of with strong, it's just that you wouldn't with mathematical skills. E.g. "He was strong of mind", meaning "he was strong-minded". I don't know what the Rules are (if there are any) though.– SteveESCommented Apr 7, 2017 at 15:27
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2I agree with @SteveES - I think when we're talking about skills or knowledge, it's "strong in", but when talking about personal characteristics, it's "strong of".– stangdonCommented Apr 7, 2017 at 15:58
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1 Answer
Use in or with, preferably in:
An engineer must be strong in Mathematical Skills.
Of can be used but it sounds literary and/or dramatic, or like you are trying to say something near a common set of words "Strong of body, mind, soul."
