“Light at the end of the tunnel”

“Pull the plug”

To stop or cancel something.

“Throw someone under the bus”

To sacrifice someone else to protect yourself.

“Ahead of the curve”

More advanced than others.

“Give the green light”

To approve or allow something to begin.

“In the heat of the moment”

While feeling strong emotion, without thinking calmly.

“The elephant in the room”

An obvious problem that people avoid talking about.

“Break the bank”

To cost too much money.

“End of the line”

The point where something cannot continue.