本日の英語フレーズ　 Today’s English Phrase

Meaning: to wait or take rest. It has also been extensively used for those who are awaiting some sort of chastisement.

Example:
1. The prisoner has been awarded the death penalty is cooling his heels until the President evaluates if mercy can be sanctioned.
2. Their journey is still far from over. They will cool their heels tonight at a five star hotel to commence travelling again from morning.