答案:star, successful
即:we believe liu xiang will be a great star in the future.
they are highly successful(success)in business
解析:a great star 一个巨星; highly successful 非常成功
翻译:我们相信将来刘翔会是一个巨星.
他们在生意上非常成功.
希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问,可以详谈嘛(*^__^*)