出席日数が足りず、彼は落第して同じ学年をもう一度やることになった。
He didn't attend enough days, so he was held back and had to repeat the year.
このままでは落第するぞと先生に注意された。
The teacher warned me that I would be held back if I carried on like this.
大学で一年落第したが、無事に卒業できた。
I had to repeat a year at university, but I managed to graduate.