Значение идиомы on one’s good behavior

[on one’s good behavior] {adv. phr.} Behaving right to make a goodimpression.

While his father was around the boy was on his goodbehavior, but when the father left the boy soon got into mischief.

The minister is coming to dinner, and Mother wants us to be on ourgood behavior.



Hobbies topic.
Что я делаю в свободное время на английском.


Значение идиомы on one’s good behavior