shì / qing / yǐ / jīng / guò / qù / zhè / me / jiǔ / le / nǐ / jiù / bié / zài / wèi / tā / xiǎng / bu / tōng / le

事情已经过去这么久了，你就别再为它想不通了。

It happened so long ago, so do not keep dwelling on it.