“Back to basics”

“Under the weather”

Feeling slightly ill or unwell.

“Back to the drawing board”

To start planning again because the first idea failed.

“When pigs fly”

Something that will never happen.

“It takes two to tango”

Both people involved are responsible for a situation.

“Bring to the table”

To offer useful skills, ideas, or value.

“Kill two birds with one stone”

To achieve two goals with one action.

“Back to square one”

To start again from the beginning after failing.

“Back against the wall”

In a very difficult situation with no easy options.