FALL ON

а. нападать; набрасываться The hungry children fell on the food. The soldiers fell on the enemy. б. выпадать на чью-л. долю It falls on me to thank our chairman for his speech. в. приступать к чему-л. He fell on the new idea and in the course of time wrote an important book about it. г. достигать Sunlight fell on the water, making it shine. д. приходиться на какое-л. число Christmas Day falls on a Thursday this year. My birthday falls on a Sunday.