English for Today by Ganiu Abisoye Bamgbose (Dr GAB)

OBLIGATORY S’S

That space is out of ~bound~ to strangers (nonstandard).
The space is out of *bounds* to strangers (standard).
If a place is out of bounds, people are not allowed to go there.

He’s a smart accountant but not one to ever cook the ~book~ (nonstandard).
He’s a smart accountant but not one to ever cook the *books* (standard).
If you say that someone has cooked the books, you mean that they have changed figures or a written record in order to deceive people.

One thing I know about him is that he sticks to his gun (nonstandard).
One thing I know about him is that he sticks to his *guns* (standard).
If you stick to your guns, you continue to have your own opinion about something even though other people are trying to tell you that you are wrong.
GAB