cool one's heels

v.

空等；

Cool One's Heels
Means for raising one or both of the heels of a surfer
Cool Your Heels
'Cool your heels,' when they pain
Angling for trouble
WEIGHT UP
Means for attaching heels to shoes
Think high-heels are uncomfortable?
Roll-Up Shoe
The impact of illness in patients with moderate to severe gastro-esophageal reflux disease