The only one I can think of would be "Old habits die hard," meaning that repetitive and usually daily tasks are hard to break when they're no longer required to do. For example, we changed the wiring in my house a few years back, and when we did so, the position of the lightswitch changed. Nonetheless, for the first few weeks when I would enter the bathroom, I would touch the wall where the lightswitch used to be, flipping the invisible switch.
For better for worse
table
curiosity killed the cat
middle of the road or in the middle of nowhere
She's a real drama queen.
the main event - the most important thing happening
like a bull in a china shopshop 'til you drop
white out, white chtistmas, white power, white out
Some words that describe space are:vastvoidcryptic
Point of viewRear view mirrorView from the topView [a problem] from a different angle
I believe I can fly, believe me and I can't think of any more srry : /
No, idioms are not considered valid words in Scrabble. Words played in Scrabble must be found in a standard dictionary.