Idioms

Keep in touch

For once

As a matter of fact

Pass away

At heart

For only one time

Really, actually

Die, meet the creator

Maintain contact

Fundamentally, basically

Be on edge

In the long run

Do without

Be out of date

Time’s up

Fool around

Expire, finish

To waste time, be silly

To be nervous, anxious

In the end

Not modern, not current

Surviving without something