Last Updated：2025/11/23

(idiomatic) To gamble, either by placing or taking bets. / (idiomatic) To be very confident.

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make book

Source Word

make book

Verb

idiomatic

(idiomatic) To gamble, either by placing or taking bets. / (idiomatic) To be very confident.

Japanese Meaning

賭け事をする、賭けに参加する / 非常に自信がある

They decided to make book on the outcome of the race despite the risks.

彼らはリスクにもかかわらず、そのレースの結果に賭けることに決めた。

Sense（1）

(idiomatic) To gamble, either by placing or taking bets.

Sense（2）

(idiomatic) To be very confident.

makes book

（ present singular third-person ）

making book

（ participle present ）

made book

（ participle past ）

made book

（ past ）