He looked at Aramis and made a special sign to him with his head.

A special sign indicating the availability of the system is required.

There is no special sign he can give for that, Miller said.

There are a few special signs you'll need to learn to make signalling easier.

This he took as a special sign: this one was for him.

And yet, even knowing that, he still continued to make his special sign to them as he walked along.

Then, when his time has arrived, he lets me know by special sign.

The reading and meaning of this special sign is disputed.

Some basilicas are built because a miracle or special sign took place.

The police try to apologise to the boy but he has one very special sign for them.