Meaning: Expressing dismissal, disregarding or ignoring someone.
Origin: Visitors to a house who were invited were served a hot meal and those visitors who weren't invited were served a cold shoulder of mutton. It was first used by Sir Walter Scott in his book 'The Antiquary', in the year 1816. The phrase was mentioned as 'cauld shouther' which means cold shoulder in Scottish. From here, the phrase should was used by many other authors in various books.
Usage: - Don't give a cold shoulder to your dear ones. - At times it is mandatory to give a cold shoulder to people.
Meaning: To start a conversation with a stranger or to commence friendship.
Origin: In earlier days ships were the only means of transportation and there wasn't any road or railway transportation. At times in winters the ships used to get stuck in the frozen water. So, the receiving country would send small ships to break the ice to clear way for those ships coming to their country. This is considered as a gesture of friendship and understanding between the countries.
Usage: - It's easy to break the ice at informal meetings rather than formal meetings. - It gets difficult for introverts to break the ice.
Meaning: Doing something painful, difficult or unpleasant.
Origin: Before anaesthesias came into use, surgeons used the technique of making the soldiers bite the bullets while operating their wounds in order to divert their concentration away from the pain and also to prevent the soldiers from biting their own tounge. This technique was also implemented on soldiers participated in the American civil war. There are many more theories regarding the origin of this phrase but the former one is widely accepted.
Usage: - Bite the bullet and go for it. - He bit the bullet and apologized his friend.