The idiom "stand out" means to be noticeable or distinct from others, often because of something unique or remarkable about oneself. It can also mean to make a difference, to stand out in a positive way, or to be seen as exceptional or noteworthy.

The idiom "under a cloud" means to be unhappy, depressed, or feeling downcast due to a situation that seems bleak or unfavorable. It can also indicate that someone is experiencing a loss of hope, confidence, or motivation.

The idiom "curry favor" means to do something or behave in a certain way in order to gain approval, support, or favor from someone. It can also mean to seek or win someone's approval, support, or favor by doing something for them or by being pleasing to them.

The idiom "cloud nine" is used to describe someone who is extremely happy or ecstatic about something. It is a metaphorical expression that means the person feels like they are floating on a cloud nine, which is a legendary place in mythology where gods and goddesses lived.

The idiom "throw caution to the winds" means to act recklessly or without regard for consequences, to take risks or to discard caution or cautionary advice. It suggests a sense of abandonment and a willingness to embrace danger or uncertainty.