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