You completely agree with someone.
You're telling me!
I forgot.
It completely slipped my mind!
You are quite correct.
You’ve hit the nail on the head.
to prevent (v.) a prevention (n.)
embargo
You disagree with someone.
That’s not how I see it.
This is a difficult task.
It’s not a walk in the park.
I cannot decide.
I’m on the fence.
having one’s identity concealed
incognito
You do not understand what another says.
I’m not sure I follow you.
He is old.
He’s no spring chicken.
Most of the food we eat nowadays is full of chemicals and other _____ .
additives
without delay
pronto
Do you understand what I am stating?
Are you with me so far?
That is quite expensive.
That’s a bit pricey.
It makes me feel very _____ watching all these criminals walking past.
uneasy
a festival or party
fiesta
I know the reply but I cannot think of it right now.
It’s on the tip of my tongue.
I am very tired but I will continue.
I’m running on fumes.
I'm afraid Ms. Smith is _____ at the moment. She's in an important meeting.
unavailable
A soldier not in the regular national army
guerilla