<em>As someone who's been fluent in writing and speaking in an eloquent way from a young age, I'm not sure I 100% understand your situation, but I can try to give you some tips that I've noticed my teachers have liked about my writing. </em>
<em>I will pause here to say, however, that I have a rather formal writing style. I wouldn't necessarily mimic this part of writing, because if you get caught in it as a norm (as I have) you'll sound incredibly serious when you don't necessarily want to. Whenever I write to a friend to tell them how much I care, I always sound so stiff and proper. My friends and I joke that when I write something important I start to sound like Sesshomaru.</em>
<em>But, on to the tips.</em>
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<em>One of the biggest ones I would recommend is </em><em>word variety</em><em>. Word variety is the use of many synonyms so that your writing is less dull and more intriguing to the reader. Now, word variety is a good thing, but try to make sure that you don't use ridiculously obscure synonyms. If you wanted to use a synonym for dull, don't use 'lackluster'. Use tarnished or unpolished. Lackluster is just a little too obscure.</em>
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<em>I would also recommend that punctuation and correct grammar become of the UTMOST importance in your writing. Correct usage of grammar and punctuation is critical for good writing.</em>
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<em>Thirdly and lastly, be descriptive with your words. Writing is an art, and with your words, you should be painting a clear and understandable picture of the scene you are describing, or the instructions you are trying to give, or simply the fact you are expanding upon. But don't make your descriptions too long or the reader could get bored with the amount of detail. Writing is a balancing act.</em>
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<em>Well, here I've gone and written you an essay on writing. My apologies if you look at this and go "oh my WORD this is long". But I hope this answers your question.</em>
<em>Regards, Toremi</em>