tā / wú tóu wú wěi / de / jiǎng / le / yī tōng / méi rén / zhī dào / zhòng diǎn / zài / nǎ lǐ

他无头无尾地讲了一通，没人知道重点在哪里。

He spoke incoherently, and nobody knew what the point was.