PolyDict.cc
    freehandfreehand /ˈfriːhænd/ adjective [only before noun] drawn by hand without using any special tools徒手绘制,不借助任何专用工具dibujado a mano sin usar ningún instrumento especialdesenhado à mão sem o uso de nenhum instrumento especial特別な道具を使わずに手で描いた특별한 도구를 사용하지 않고 손으로 그린freehand drawing/sketchfreehand adverb