とらのまき

虎の巻

book of (trade) secrets; secrets

N3Expression

Expression, Noun

book of (trade) secrets•secrets

Expression, Noun

study guide (to supplement a textbook)•crib•key

Example Sentences

これは野球の虎の巻だ。

This is the bible of baseball.

tiger, drunkard

コ / とら

scroll, volume, book, part, roll up, wind up, tie, coil, counter for texts (or book scrolls)

カン / ま.く