“Cool as a cucumber”

“Dead set against”

Strongly opposed to something.

“Cut both ways”

To have both positive and negative effects.

“Draw a blank”

To fail to remember or find an answer.

“Business as usual”

Things continuing in the normal way.

“Come to terms with”

To accept a difficult reality.

“Break new ground”

To do something innovative or original.

“Clear as day”

Very obvious or easy to understand.

“Carry weight”

To be important or influential.