虎とら巻かん

noun

crib notes; cheat sheet; study guide

Slang term for a condensed reference or answer key, often used by students. Can refer to a physical booklet or digital notes. The 'key' gloss applies to explanatory diagrams or maps.

• 試し験けん前まえに友とも達だちから虎とら巻かんをもらった。

  I got a cheat sheet from a friend before the exam.

• この虎とら巻かんを見みれば、回かい路ろ図ずの記き号ごうがすぐわかる。

  If you look at this key, you can quickly understand the symbols on the circuit diagram.