I agree with Michael. There is a story of a writer named Hemingway who a story in six words to win a bet. The story was: For sale baby shoes never worn The language is very simple, but full of meaning. Learning to express yourself eloquently in simple language is almost more important to sounding natural than to use long, complex phrases. The best way to get better is to practice often, and read a lot. Good luck!

Suggestions to improve your writing skills. a) start writing notebook entries in iTalki and ask people to go beyond mere corrections and ask for variations b) forget about complex sentences at this stage, concentrate on simple English sentences, great writers are not necessarily complex. Look at the English science fiction writer John Wyndham as a model c) as guidance, keep sentences to 20 words. d) write often, read widely

One possible variation It's so hard to express my ideas in any but simple English ...so my English passages are all like a child's story...That's very disturbing to me ! ....OMG.