“In the heat of the moment”

“Flash in the pan”

A short-lived success that does not last.

“Get a foot in the door”

To get a small opportunity that may lead to bigger opportunities.

“In a nutshell”

In a very brief and clear way.

“Ahead of the curve”

More advanced than others.

“Make a mountain out of a molehill”

To make a small problem seem much bigger than it is.

“Hang in there”

To keep trying and not give up.

“Get in on the act”

To join an activity that others are doing successfully.

“Rome wasn’t built in a day”

Important things take time.