“长此以往”，汉语成语，意思是“老是这样下去（多指不好的情况）”。可以翻译为“if things go on like this，should such a state of affairs continues”等。

例句：

许多学生一有时间就泡游戏厅，长此以往怎么得了？

Many students spend all their spare time in video arcades. If nothing is done to change it, what will become of them?