聱牙诘曲

Explanation: Hard to read: not easy to read;'s long song: twists and turns. That is not difficult to talk about the article read 　　Usage: Joint type; as attribute; containing derogatory 　　Source: Zheng Qing-phase, such as "spread enlightened ruler four Hanlin Biography": "Workers have recommended Fu Sheng," chancery, "the doctor on the Chao in the Chao Cuo to their home, a good dictation from the old text books, hard to read It's long song." Thesaurus:  Hard to read bend curve, s long and hard to read, Ji mouth and hard to read