“At loggerheads”

“At the end of the day”

When everything is considered; ultimately.

“Get cold feet”

To become nervous and change your mind.

“Better late than never”

Doing something late is better than not doing it at all.

“The last straw”

The final problem that causes someone to lose patience.

“Wrap one's head around something”

To understand something complicated.

“Spill the beans”

To reveal secret information.

“Keep someone at arm’s length”

To avoid becoming too close to someone.

“Light at the end of the tunnel”

A sign that a difficult situation will soon improve.