Meaning of jiǔ hòu:
jiǔ hòu
酒后
Adverb
after drinking; under the influence of alcohol
Hěn duō rén bù yīng gāi zài jiǔ hòu kāi chē.
很多人不应该在酒后开车。
Many people should not drive after drinking.
Tā zǒng shì xǐ huān zài jiǔ hòu chànggē.
他总是喜欢在酒后唱歌。
He always likes to sing under the influence of alcohol.