It's up to you to decide.

这事由你来决定吧。

《牛津词典》

Shall we eat out or stay in? It's up to you.

咱们是到外面吃饭还是待在家里？你决定吧。

《牛津词典》

It's up to you how far you go.

走多远由你自己决定。

youdao

It's not possible. If you really want to make it up,fine, but it was not possible then, it is not possible now."

VOA: standard.2009.07.31

So if you really want class to make a difference in your life, it's up to you.

所以如果你真的想通过这门课改变生活，一切取决于你。

哈佛公开课 - 幸福课课程节选

It's not like you're going to show up. It's not like you go to a bar and you're like,

这和你随便露个面的感觉不太一样；这不像是你进入一个酒吧，然后说，

体验男女初次会面 - SpeakingMax英语口语达人

It's up to you to find out if your child is eligible for this health insurance.

CNN: Clinton kicks off campaign to insure children under Medicaid

Running is like another extended interview and it's up to you to get the work done.

BBC: Making it big in the movies

It's up to you we're using the latter method, which we'll walk you through.

ENGADGET: How-to: One-click audio news, synced with your iPod in Tiger