索然无味

Explanation: Dull: there is no means, look no interest. Describe something boring (mostly refers to the article). 　　Usage: Joint type; as predicate, attributive; containing derogatory 　　Source: Ming Yang Shen, "On balance Dan lead Miscellany": "Gavin has a subtle different for the workers who do ... ... that is boring." 　　Examples: I prefer to make a return to "cut the public paper," because things and articles are interesting, too abridged a fear that they will ~. (Lu Xun, "且介亭杂文 attached _set_ of" put this on record "(c)") Thesaurus:  switch off [on to], be a cup too low, demoralized, feeling depressed