humoursome

But while she said it, Pearl laughed, and began to dance up and down with the humoursome gesticulation of a little imp, whose next freak might be to fly up the chimney.

珠儿边说边放声笑着，并且用小妖精那种调皮样子蹦蹦跳跳着，她下一想入非非行动可能是从烟囱中飞出去。