furrowed eyebrows not including angry v_shaped_eyebrows downward eyebrows. Only upwards angled inward parts of eyebrows.
There is a big difference in anger and fear when the brow is furrowed in anger/concern vs fear,embarassments/discomfort. Raised eyebrows is very different when all points of the eyebrow are raised in surprise vs an embarassed face.
alternate names in case of one eyebrow visible from side: raised_inner-eyebrow, eyebrow-head_raised, rising_eyebrow
alternate names for pair of eyebrows: high_five_eyebrows, raised_bridge_eyebrows
