"没意思" (méi yìsi) means "not interesting" in Chinese. It can be translated into Engpsh as "boring" or "dull".

The phrase "没意思" pterally means "no interest" or "lack of interest". It is commonly used to describe something that is unengaging or uninspiring.

Here are some example sentences in Engpsh and their translations in Chinese:

"The movie was so boring that I fell asleep halfway through." (这部电影太没意思了，我看了一半就睡着了。)
"I don't find this activity fun at all. It's just dull." (我一点也不觉得这个活动有趣。它很没意思。)
"The class was uninteresting and I couldn't pay attention." (这堂课很没意思，我没法专心听。)

I hope this helps! Let me know if you have any other questions.