When we reached there , they had set off.

翻译为： 当我们到达那里时，他们已经出发了。

youdao

When we reached there, we found that it is a remote place even without villages or shops.

到了那里以后，我们才发现那地方前不着村，后不着店。

youdao

We had reached the point when there was no money left.

我们曾落到身无分文的地步。

《牛津词典》

We've reached a stage where there's no longer a question of when the boom's going to end.

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