啪啪打脸

wǒ dōu gào su guò nǐ le xiàn zài pā pā dǎ liǎn kě bié guài bié rén

我都告诉过你了，现在啪啪打脸，可别怪别人。

I've told you. Now you get a slap in the face. Don't blame others.