fall upon

猛攻, 猛扑, 担负, 开始行动

例句与用法：

The full cost of the holiday fell upon me.

度假的全部费用都甩给我支付。

Several strong men fell upon him and made short work of him.

几条大汉扑了过来，把他给干掉了。

详细释义：

攻击

The hungry children fell upon the food.

饿极了的孩子们扑向食物, 抢吃起来。