是be up to sb to do还是doing

Question

如题所述

Answer 1

be up to sb to do
be up to“由……决定；胜任”。
例如：It's up to you to decide.

Answer 2

to do 。 听由某人做某事的意思。

Answer 3

be up to do sth.追答

be up to doing sth.

be up to ＋ 名词

So far, they appear to be up the task.
到目前为止，他们表现出承担这项业务。

Answer 4

　　某人做某事的意思。