To stop, to say enough is enough, this is where to stop.
To draw the line.
To abandon a course/study OR to stop participating.
Drop out.
A frozen treat made of dairy, great in the summer.
Ice cream (noun multiword unit)
To not give up, to keep persevering even through a hard time.
Hang in there.
Stop making any efforts, stop trying.
Give up.
Five-star (compound)
To narrowly achieve success, it wasn't a guaranteed.
By the skin of your teeth
Break down.
To satisfy a criteria, to be up to the task.
Meet expectations (collocation)
When you pry or want to obtain information that doesn't necessarily regard you.
Stick your nose into something.
Move backwars OR provide support for someone.
Back up
To do everything at the same time, in one go.
All at once (frozen adverbials)
To take the time to think things through, to use a day to reflect on something.
Sleep on it
To reprimand or scold someone.
Tell off.
Open or available at all times.
24/7 (common term)