英语翻译 尤其其中sliced her hand怎讲?

slice 作动词的意义有：

1.make a clean cut through; "slit her throat"

2.hit a ball and put a spin on it so that it travels in a different direction

3.cut into slices; "Slice the salami,please"

4.hit a ball so that it causes a backspin strike

看第一个例句,所以句子翻译为：她用开信刀划破了自己的手.