The idiom "on the money" means that something is accurate, correct, or on target. It can also mean that someone is performing their job well, or that a solution to a problem is effective and efficient.

The idiom "better half" refers to the more attractive, appealing, or successful partner in a relationship, marriage, or business partnership. It is used to describe someone who is perceived as superior in some way compared to their counterpart.

The idiom "ups and downs" refers to the fluctuation of something, or the rise and fall of events. It can describe a person's mood, business finances, or any situation that has its highs and lows.

The idiom "in vain" means to do something that is fruitless or unsuccessful, often because someone has already done the same thing before or there is no hope of achieving a desired outcome. It can also imply that someone is trying too hard for no reason.

The idiom "hold tongue" means to keep quiet, refrain from speaking, or not say something that may upset someone. It is a way of suppressing one's thoughts or emotions to avoid causing harm or discomfort to others.