ㄌㄧㄢˊㄕㄨliánshū

连书
  1. 書寫筆畫連續不斷連寫」。 草字連書」、速記連書」。

to write without lifting one's pen from the paper, (in the Romanization of Chinese)​ to write two or more syllables together as a single word (not separated by spaces)​