However , a less skilled sorceress could use a different method to silence a singing mermaid .
但是，一个技术拙劣的女巫会用另外一种方法来使小美人鱼沉默。
In her ted performance of " further than the sun , " lavelle plays the cello like a sorceress casting a spell , occasionally hiding behind her wild mane of blond hair as she sings of pastoral themes .
