make book

短语

打赌

发音

AU

词形变化

made book makes book 三单 makes book making book making book 现在分词 made book 过去式 made book 过去分词

释义与例句

v.
  1. 1.

    To gamble, either by placing or taking bets.

    习语
  2. 2.

    To be very confident; to be sure.

    习语

词源

The "be confident" sense is connected to the "gamble" sense: a sure bet is one that you can be certain of.

来源：wiktionary