Hi is it incorrect? - No, but it sounds far too formal, and I can't think of a context where I would say this.

Hi There is too much sushi on that plate. There is a lot of sushi on that plate. Negatve - I didn't eat much sushi yesterday.

Hi Your behind = your bottom = the part of your anatomy that you sit on I think the idea is of letting themselves go, of no longer taking care about their appearance. Does the word "groupie" refer only to females or to males too?

Hi I take it to mean that two bad albums in a row and a fat behind will be enough to end their career. Are you going to the concert on 6th August in the Slaski stadium? (Sorry GG - I didn't see you'd already answered)

Hi Thank you (John) for clearing up the mess in the kitchen. The John here can be remained or omited. Yes 'John' is optional - you can omit it. - The reason - you are talking directly to John. Hey Fred, can you thank John for clearing

Hi a) Thank you (John) for clearing up the mess in the kitchen. b) Hey Fred, can you thank John for clearing up the mess in the kitchen.

Hi It depends. Thank you John - I would say this to John. Thank John - I am telling somebody else to convey my thanks to John.

They are gossiping about Michael Jackson's death. It's fine. Regarding 'piece of mind' - be careful - there are two expression: peace of mind = have you mind put at rest/not have to worry piece of my mind = a reprimand for doing

Hi But isn't that look after means take care of sb. Yes - look after = take care of someone or something. You can also look after yourself. If you look after yourself it means that you try to have a healthy diet, you try to keep fit and

Can I say, My teacher is good in maintaining/ at maintainance , so she looks younger to his real age. Many Thanks in Advance - No My teacher looks after himself/herself so he/she looks younger than his/her age.