空そらで読よむ

expression, godan verb (-mu)

recite from memory; read without looking

Used when someone recites a text, poem, or lines from memory without looking at the written material.

• 彼かれは長ながい詩しを空そらで読よむことができる。

  He can recite a long poem from memory.

• 台だい本ほんを見みないで、セリフを空そらで読よんでみてください。

  Please try reciting your lines from memory without looking at the script.