cup the hands and make a small arc at the body from top to bottom (chest to tummy)
point to the person
You can't speak sign language but you can "sign".
There is no such language as Belgian. People in Belgium usually speak French or Flemish. Magnifique is gorgeous in French.
The Romanian language equivalent of amazing is uimitor.
In American Sign Language, you can sign "WHEN YOU BORN?" to ask someone when they were born.
To sign "Are you happy?" in American Sign Language, you would sign: YOU HAPPY? with raised eyebrows.
As English is the default language in Australia, the word is still "gorgeous".The slang used to be "bonzer" or "bonza", but this word really is not used anymore.
You sign it.
You make an I in sign language and then point to your head and then nod.
In American Sign Language (ASL), you can sign "I know" by pointing to your head with your index finger.
You can't really say it, can you?
A sign language teacher. That's what my students call me.
To sign "Are you mad at me?" in American Sign Language, you would sign: "YOU MAD ME?" while raising your eyebrows and looking concerned.