the penny drops

釋義

1. 恍然大悟；終於明白；茅塞頓開

   used to say that sb has finally understood or realized sth that they had not understood or realized before

同一詞條的短語

• every penny
• in for a penny, in for a pound
• not a penny
• a penny for your thoughts
• turn up like a bad penny
• two a penny
• pinch pennies
• a pretty penny
• spend a penny