精怪

supernatural being (such as a demon, monster, ghost, spirit, gremlin etc)

essence / extract / vitality / energy / semen / sperm / mythical goblin spirit / highly perfected / elite / the pick of sth / proficient (refined ability) / extremely (fine) / selected rice (archaic)

bewildering / odd / strange / uncanny / devil / monster / to wonder at / to blame / quite / rather

variant of 怪[guai4]

weird / bizarre