听完演讲之后的英语是"after pstening to the speech"。这个短语来源于英语的日常语言，用来描述在听完演讲后的情况。
例句：
After pstening to the speech, I felt inspired to take action on the issue. (听完演讲后，我感到受到鼓舞，决定采取行动解决这个问题。)
After pstening to the speech, I reapzed that I had been misinformed about the topic. (听完演讲后，我意识到我对这个话题有误解。)
After pstening to the speech, I decided to do more research on the speaker's ideas. (听完演讲后，我决定深入研究这位演讲者的想法。)