It means 'very well thank you, and you ?'.
This is the standard reply when a friend asks 'Comment ca va ?' (how goes it?)
Thankyou i am very well and you
"Merci, à très bientôt" means "Thank you, I'll see you very soon".
Tres bien merci amour
It could mean '(very) well done' ie congratulations or it could be ironical - it serves you right, so it depends on the context.
pas trés bien - not very well
Your french is very good
"Very good" or "quite good", or something to that effect.
She speaks very well
Les garçons sont très bien means "the boys are very well / are fine" in French.
me too, very well
Merci beaucoup, tu est tres bon= Thank you very much, you are very good
You say "one of the best" in French like this: "Un du Meilleur"