(1)停落(get or come down;settle)[I+prep]：～on one's feet 双脚落地;A bird～ed on the branch/from a tree. 一只鸟飞落枝头/从树上飞落下来。The passengers～ed from the train. 乘客们下了火车。

(2)偶然遇(得)到(come upon or find by chance)[I+prep(on/upon)]：～on (upon) a plan/a good idea 突然想起一个计划/好主意;～on (upon) a solution偶然想到一个解决问题的办法;～on (upon) a rare book in a secondhand bookstore 在一家旧书店里偶然发现一本珍本书;

(3)突然降临(fall suddenly)[I+prep]：A bad fortune～ed upon him. 他突遭厄运。

light into (v prep)(sl) 猛烈攻击;痛斥(vt)：～into the Administration's tax bill 猛烈攻击政府的税收提案;lit into the children who were making all the noise 狠狠地训斥那些吵闹的孩子们;

light out (v adv)匆匆离去(vi)(sl)：They lit out for home. 他们匆匆回家了。