hit on 英[hit ɔn] 美[hɪt ɑn] [词典] 忽然想到， 偶然发现; [例句]After running through the numbers in every possible combination, we finally hit ona solution.将这些数字进行各种可能的排列组合后，我们终于找到了答案。
偶然发现,忽然想到
