1、“我听不懂”用英语：Sorry, I didnt understand what you said. 或：Excuse me, could you repeat again? I didnt quite understand you.

2、词汇释义said

adj. 上述的

v. 说，讲；说明；表达；指示；诵读；假设；据说；表明是……（say 的过去式和过去分词）。

n. (Said) （乌兹、阿拉伯）赛义德（人名）。