From Cambridge Dictionary Thesourus: A New Year´s Resolution is a promise that you make to yourself to start doing something good or stop doing something bad on the first day of the year.
"Have you made any New Year's Resolutions yet?" "Yes, I'm going to eat more healthily and start doing exercise."
New Year´s Resolutions for YOU: I´m going to ... (FILL IN WITH YOUR OWN NEW YEAR´S RESOLUTIONS FOR 2019)