fàn le cuò jiù tòngkuài dàoqiàn, bié zhǎo yī duī jièkǒu, fǎn'ér ràng rén gèng bù shūfu

犯了错就痛快道歉，别找一堆借口，反而让人更不舒服。

If you make a mistake, just apologize sincerely. Making a bunch of excuses only makes people more uncomfortable.