他平时很注意饮食，到了家乡的年夜饭桌上却忍不住大吃特吃。
He usually watches what he eats, but when he sat down to his hometown's New Year's Eve dinner, he could not resist eating heartily.
He usually watches what he eats, but when he sat down to his hometown's New Year's Eve dinner, he could not resist eating heartily.