We have not received any reply from Chile yet and we don't know when we will receive it.

We have still not received any response from North Korea.

I am not sure if we should take (them) to mean his expression of disapproval.

The survey ships are Japanese government ships, not private ships, and Japan has jurisdiction over them.

It is extremely regrettable that Iran restarted uranium enrichment activities despite calls (not to do so) from the international community, including Japan.

We believe that, behind the death, there were regrettable acts by Chinese intelligence personnel that violated duties (of treaties to safeguard diplomats).