ヤンミさんの おぼえた日記 - 2012年1月1日(日)

doable - within one's powers; feasible
That's because they're setting goals for themselves all year round, breaking them down into doable tasks and prioritizing them.

dollars to doughnuts - used to emphasize one;s certainty
If you don't start changing your life right here and now, it's dollars to donuts you won't do it next week.