The phrase "knock it off" meaning to tell someone to stop doing something originated from an auction setting. Traditionally, "knock it off" is a request that is given to an auctioneer to end the bidding. This refers to the auctioneer "knocking his gavel," a sign to close bidding.
It means don't complain about something that works or is good enough.
In the UK we would use the phrase 'Knock it off' to mean stop teasing/irritating me or stop what you doing.
overdo something
The phrase "crossing the Rubicon" has come to mean an irrevocable move, something you cannot take back.
That depends on what you mean by 'knock'. knock as in ' faulter ' or ' critisize '
It is time is a phrase which is used to mean that the awaited moment has come. This is used especially for something that was being anticipated like delivery of a baby.
come to me little chicken (term of affection)
To delay something
come to me. lets emabrase
Knock in Hindi means Sharp point of something, Like a Knife's, a pen's or a pencil's
For the british
if you mean you'll be my guinea pig it means to use them as a test subject like for something never tested before or something dangerous