Definition
To be extremely confident that something will happen; to bet heavily on something.
非常確信
I would put my shirt on them winning the championship this year.
我敢打包票他們今年會贏得冠軍。
She would put her shirt on the success of her new business.
她對她的新事業成功非常有信心。
I’d put my shirt on it raining tomorrow; I'm that certain.
我敢肯定明天會下雨,我非常有把握。