Unsure

To sign "Unsure" in American Sign Language (ASL), start with both hands in front of you, fingers together, and thumbs out. Move your hands up and down alternately. Then, form an "A" shape with your dominant hand, extending the thumb slightly. Next, place your thumb under your chin and move your hand forward a bit. Finally, make a '1' shape with your dominant hand, hold it to your lips, and push it forward briefly.