Zhège xiàohua fàng zài Zhōngguó de yǔjìng lǐ cái hǎoxiào.
This joke is only funny in a Chinese context.
Tips
usage
语境 is the whole setting of what is said: the words around it, the situation and the culture. 上下文 is narrower, the surrounding text, and is the term used in computing. Quoting someone out of context is 断章取义.