And it was a mistake. It set us back.

可是这是一个错误，一下倒退了回去。

youdao

It has set us back in so many respects that I'm not sure how long it will take for us to catch up.

我们在很多方面都被延误了，不知道需要多久才能赶上。

《柯林斯英汉双解大词典》

It is important for the us to negotiate an agreement it can join, because another agreement that did not involve the United States would set back efforts to protect the climate.

重要的是美国通过谈判达成一个它能加入的协议，因为再来一个与美国无关的协议将会挫败保护气候的努力。

youdao

"It's quite possible if the wrong person's in charge it could set us back five years, " says Pulver.

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"It helps us back out of the mind set that said something that doesn't work as a single agent isn't going to be a good drug, " said Dr. Winer.

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It created set of reliances and dependencies that is holding us back.

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