Whether to do it or not is up to you
这里up to you表示由你决定
I think I am up to this task.
我觉得我胜任这个任务

I'm upset about failing the exam
希望帮到你 望采纳 谢谢 加搜趣网油

Your plan will be up for discussion on the next board of directors.
你的计划将提交下次董事会讨论。

I feel a bit out of form today; I'm afraid my t搜趣网ennis won't be up to your standard.
我今天略感不适，恐怕我的网球水平达不到你的标准。
The little girl ran a temperature and had to be up to be//www.souquanme.comd.
那个小女孩发烧了，得让她上床躺着。
Where's that naughty child now? I'm sure he'll be up to no good wherever he is.
那调皮孩子哪儿去了? 我看，他到哪儿也做不出好事来。

be up to sth 体力或智力上能胜任
造句：I don't think you are up to the jop.我不认为你能胜任这份工作。
It's too difficult for you to be up to the jop.对你来说胜任这份工作太困难了
It's impossible for me to be up t//www.souquanme.como the jop胜任这份工作对我来说是不可能的。