前回はbe itching to
lag: If one thing or person l__ behind another thing or person, their progress is slower than that of the other thing or person.(<->lead / time lag, jet lagなどの形ではおなじみか)
lag: If one thing or person l__ behind another thing or person, their progress is slower than that of the other thing or person.(<->lead / time lag, jet lagなどの形ではおなじみか)