1.【赌博】to bet on sb/sth
(put money on)+ horse对…下注；下注赌…
I told him which horse to bet on.我告诉他对哪匹马下注。
+ result对…下注
Jockeys are forbidden to bet on the outcome of races.职业赛马骑师被禁止对赛马结果下注。
2.to bet on sth<非正式>(predict)对…预测
People were betting on a further easing of credit conditions.人们估计贷款条件会进一步放宽。