你这句英语的语法上是不是有点问题呢,你到低是想说她在24小时内不应该吃任何东西.还是想说“她已经24小时没有吃任何的东西,
SHE SHOULD NOT EAT ANYTHING IN 24 HOURS.
SHE HAS NOT EATEN ANYTHING FOR 24 HOURS.