The phrase "be such" is often used to describe something or someone in a particular way. If you are looking to add variety to your writing, there are many synonyms for "be such" that you can use. For example, you could use "appear to be," "seem," "act as if," "come across as," or "manifest." Another option is to use words that describe the qualities you are trying to convey, such as "impressive," "remarkable," "unusual," or "outstanding." By incorporating these alternative phrases and words into your writing, you can add depth and nuance to your descriptions, making your writing more engaging and effective.