罢休

wǒ yǐ gào su tā wǒ méi xìng qù kě tā què bù bà xiū

我已告诉他我没兴趣，可他却不罢休。

I told him I wasn't interested, but he wasn't deterred.

nà ge nán rén dào qiàn le dàn gū mā què bù kěn bà xiū

那个男人道歉了，但姑妈却不肯罢休。

The man apologized, but my aunt refused to let the matter rest.