(all) in one piece

not damaged

完好无损地，安然无恙地

​

The radio had been stolen, but otherwise we got the car back (all) in one piece.

除了收音机被偷之外，我们的车子找回来时完好无损。

It was a difficult trip, but we all made it home in one piece.

这是一次艰难的旅行，但我们都安然无恙地回家了。