新年快樂 - Or...

[ameerat42]

...either of:
Gong Xi Fa Cai, and Gong Hey Fat Choy

Ie...
Happy Lunar New Year.

It's the year of the Rooster, (so I'm thinking that might make Mark moderately pleased).

Acknowledgements: Google search and translation check.

[bitsnpieces]

Should be good enough :P

Happy Lunar New Year! :D