Dreaming of looking in a mirror often symbolizes self-reflection or self-perception. It can represent how you view yourself or how you believe others perceive you. The presence of a "bad voice" may indicate inner fears or anxieties that you are grappling with.

The phrase "look out for 9" could suggest that there is a significant event, date, or change associated with the number nine that is on your mind or could be in your future. This number might hold personal significance, such as a birthday, anniversary, or a deadline.

In summary, this dream may be urging you to pay attention to aspects of your life that require reflection or caution. It could be beneficial to think about what the number nine means to you and how it relates to your current situation. Consider journaling your thoughts or discussing them with someone you trust for deeper insights.