Though it is often seen written in other ways, the correct expression is as stated in this question: "No pain, no gain". It means If you have no pain you don't gain muscles. The expression started as a mantra from the cult of physical fitness. It means the benefits of exercise don't begin until you pass a certain threshold of fatigue but then, continue to work out. You must work hard to achieve your goals. It is based on partly erroneous information, that if you don't feel pain in your muscles, you've had no workout gains.
http://en.wikipedia.org/wiki/No_pain_no_gain
"A pain in the neck" is an idiom meaning an annoying person or situation. You would use this idiom to describe a person whose behavior is irritating you, or for anything that is annoying. Betty can be a real pain in the neck sometimes.This extra paperwork is really a pain in the neck.
Imagine that you have a literal pain in the neck. It's annoying, right? That's what the idiom means: an annoying person that just nags away and irritates you.
Rain, Spain and gain.
This idiom suggests that one's perception of pain can be influenced by their mindset or mental state. It implies that by changing how we perceive and think about pain, we may be able to lessen its impact or endure it better. It highlights the role of mental attitude in coping with or managing physical discomfort.
The idiom pain in the neck originated in America. This expression was first heard during the early 1900's and is used to express frustration.
The expression is go to great lengths or take great pains or be at pains to accomplish something, meaning to make a special effort, or show something clearly so that everyone will understand. No pain, no gain as Jane Fonda used to say!
"No pain no gain" is a grammatically correct statement in pidgin English.To say this properly, you would say "There is no gain without pain," or "If there is no pain, then there is no gain."
RFP is not an idiom. It's an abbreviation.
It's not really an idiom. It means "what are you thinking about."
It is not an idiom, it means your nose is itching.
No Pain No Gain was created on 1998-09-22.
The idiom "bark your shins" means to injure your shins by accidentally hitting them against something hard. It can also be used metaphorically to describe a situation where someone experiences a sudden setback or obstacle that causes pain or frustration.