verb, adverb, particle · to be adequate in amount, degree, or quality for a particular purpose

这些钱够买两张票。

adverb, verb · (colloquial) used before an adjective to indicate a high degree

今天的天气够冷的。

verb, modal particle, adverb · to have reached a point of excess, satiety, or being fed up

我已经受够了他的谎言。

verb · (colloquial) to reach or touch by stretching out one's hand or body

他伸出手去够树上的苹果。