That's true, to a certain extent.

在一定程度上的确如此。

To a certain extent , we are all responsible for this tragic situation.

我们都在一定程度上对这悲惨的局面负有责任。

To a certain extent, they're right.

这在一定程度上是正确的。

In this they were successful to a certain extent.

在某种程度上他们成功了。

To a certain extent, this kind of arguing was fun.

在某种程度上，这样的争论也是一种乐趣。