冴える さえる N1
- to be bright; to be clear (of a sight, sound, colour, etc.); to be crisp; to be vivid
- to be alert; to be clear-headed; to be on the ball; to be wide awake
- to be cheerful; to be perky; to look upbeat
- to cleanly execute; to excel at; to master (a skill)
- to be satisfying
- to become frigid; to become intensely cold