to not give details about something mentioned, usually to avoid embarrassment or irrelevance
stay away
To avoid or not go anywhere near someone or something.
spare someone's blushes
To save someone from embarrassment.
know inside and out
To know (something or someone) very thoroughly.
paper tiger
Something or someone that appears powerful, strong or threatening but …
put up
To cajole or dare (someone) to do (something).
kick out
To eject, dismiss, expel, or forcefully remove (someone or something).