hit upon a strategy想出计策;想出个计策
Has Hit Upon已经想出一个
Today I hit upon今天我突发奇想
Hit upon the answer想出了一个办法
Hit Upon An Idea突然有了主意
Has Hit Upon A已经想出一个
hit upon a best plan想出了一个上策
PHRASAL VERB（动词词组） If you hit on an idea or a solution to a problem, or hit upon it, you think of it. 想出
After running through the numbers in every possible combination, we finally hit on a solution.
将数字排列出了所有可能的组合后，我们终于找到了答案。
PHRASAL VERB（动词词组） If someone hits on you, they speak or behave in a way that shows they want to have a sexual relationship with you. 挑逗 [非正式]
She was hitting on me and I was surprised and flattered.
她挑逗我，这既让我吃惊又感到荣幸。