give no quarter = to stand 100% firm and give nothing Yes, it is still commonly used. Why do you ask?

"give no quarter" is outmoded, but used in "period" films, such as pirate movies. It means to show no mercy, as moorche says. Example: "The two ships pulled together and the frigate was boarded. The fighting was fierce - no quarter asked and none given." "No quarter asked and none given" = no mercy shown by either side. Chinese equivalent (I hope): 给无情人有情

Australians never use it

To give no quarter means...........to show no mercy. It is obvios on your around.