be up 所有的
问题描述：
be up
所有的
答
由某人决定
答
决定于… 由…决定
答
eg:It is up to you.由你决定.轮到你了.
It is up to 5.（表示数量）最多5个.
What are you up to?你在忙什么?你居心何在?
up to now直到现在
He is not up to his work.他不能胜任他的工作
答
be up to
胜任, 从事于
例句
?
To be used up.
用光，消耗完
To be up to the sample
与样品相符合，可视同
To be stirred up; rise.
激起；升起
It seems to be clearing up.
天似乎在转晴。
To be or become rolled up.
卷起，折拢...