fall on 1. 袭击,攻击 The soldiers fell on the enemy. 士兵袭击敌军。 The hungry children fell on the food. 饥饿的孩子们扑向食物,大嚼起来。 2. 偶然遇到;偶然发现 He fell on the idea while looking through a magazine. 他在翻阅一本杂志的时候不期然出现了这个想法。 3. 遭受,遭遇 fall on evil days 逢凶 fall on hard (poor) times 遭逢艰难(贫穷)时世 4. 由…负担 All the expenses of the trip fell on us. 旅行的一切费用都由我们负担。