Here are examples of the word/phrase "unorthodox" used in a sentence and paraphrased in a sentence...
That was an unorthodox decision to make. There must be an ulterior motive behind it.
That was an unusual decision to make. There must be an ulterior motive behind it.
Her methods are unorthodox but very effective.
Her methods are eccentric but extremely effective.
My unorthodox fashion sense can some times make me appear flamboyant.
My eccentric fashion sense can some times make me appear flamboyant.
Other Examples...