没意思的英文翻译有:boring、not interesting、not worth talking about。
boring:无聊的;无趣的和令人厌烦的;单调沉闷的。例如:I had expected the book to be boring, but on the contrary it was fascinating.(我本以为这本书很乏味,但正好相反,它竟让人着迷)。not interesting:没有趣味;不引起兴趣的。例如:This novel is so not interesting.(这本小说如此没有趣味)。not worth talking about:不值得讨论的;不值得提起的。例如:The movie is not worth talking about.(这部电影不值得讨论)。