bet过去式和过去分词分别是bet、betted和bet、betted。bet的意思是下赌注，用…打赌，敢说，八成儿。bet的例句：You can put a bet on almost anything these days（如今几乎可以对任何东西下赌注）。

bet的例句：I bet you were good at games when you were at school（我敢说你上学时体育很棒）；Jockeys are forbidden to bet on the outcome of races（职业赛马骑师禁止对赛马结果下注）。