胶柱调瑟 (膠柱調瑟) jiāo zhù tiáo sè

jiāo zhù tiáo sè set phrase glue the stops for a lute and try to tune it
Domain: Idiom 成语
Notes: Variant of 胶柱鼓瑟 (Guoyu '膠柱鼓瑟')