一雨成灾 meaning in Chinese

one rainfall creates a flood

For the past year , we had been millions of miles away from master and fellow initiates had not been able to gather for a major group meditation for a long time . the recent disastrous rainstorms in formosa showed that this world needed more positive energy , making the island - wide major group meditations even more precious and necessary
这一年师徒相隔千万里，同修已许久未曾团聚一处一起共修，而近日宝岛一雨成灾，都显示世界需要更多肯定的力量，每周全省大共修太必要太可贵了！