It is up to them to ensure that the 21st is different.

现在轮到它们双方共同确保21世纪与众不同了。

youdao

If they have made mistakes, it is up to them to correct them.

如果他们犯了错误，由他们自己去纠正。

youdao

We wanted to shake up the players and now it is up to them to show us a reaction.

我们希望这样可以摇醒我们的球员，现在论到他们来做出回应了。

youdao

He said the Earth is hiring and it was up to them to join together and do what is needed to help save the planet.

VOA: special.2009.06.05

You see it again on 209, a little later in this scene. His suspicion is aroused when a car pulls up next to them as they're heading out of town.

在209页，这个场景的后半部分，你将再次看见他产生怀疑,当时他们正走在去镇里的路上，一辆车停在他们旁边。

耶鲁公开课 - 1945年后的美国小说课程节选

but they can set up Internet. It gives them access to the information that is on the World Wide Web, so...

他们可以架起网络，这样就可以让这些国家的人利用互联网的资源。所以……

MIT赛艇选手 - SpeakingMax英语口语达人

"It is up to them - if they don't want it - to hand it back, " he said.

BBC: Glyn Davies

That is, each team can have a certain amount of money and how they spend it is up to them.

NPR: Boulder Wrestles with Mega Houses

It is not a given, but it is up to them to make sure they gain the expected edge at scrum time.

BBC: Injury-hit Wallabies look vulnerable