Definition
If something is beyond a joke, it has become too serious or unacceptable to be considered funny anymore.
不六話（用來形容事情已經變得很嚴重，不值得開玩笑）
His habit of being late is beyond a joke now; he needs to take responsibility.
他遲到的習慣現在已經超出玩笑的限度了；他需要負起責任。
It started as a few small pranks, but now it's beyond a joke, causing real damage.
一開始只是幾個小惡作劇，但現在已經超出玩笑的限度，造成了真正的損害。
The referee's decisions in that game were so bad that it was beyond a joke.
那場比賽中裁判的判決糟糕到已經超出玩笑的限度了。