cut corners
to save time, money, or energy by doing things quickly and not as carefully as you should
Don’t try to cut corners when you’re decorating.
elevator music
the type of music that is played in shops and public places, and is usually thought to be boring
whim
a sudden feeling that you would like to do or have something, especially when there is no important or good reason
gaunt
1. very thin and pale, especially because of illness or continued worry
the old man’s gaunt face
2. a building, mountain etc that is gaunt looks very plain and unpleasant
a gaunt cathedral