1)Turncoat
-Some Canadians believed in a Republican system so they became turncoats in the American War of Independence
-Don't trust Mr. Baelish he is a known turncoat
-You will find many turncoats in Germany after World War 2, one even became a UN Secretary General
Definition: Is a person who betrays their original cause. It is distinct from being a traitor, since it usually occurs when in groups driven by multiple leaders. Or when the original goal becomes impossible to achieve.
Etymology: The English Civil War during the 17th century. The siege of Corfe Castle was won by Oliver Cromwell's Parliamentary soldiers when they turned their coats inside out to match the colours of the Royal army. Once inside the castle they attacked the royalists from within.
2)Bone of contention
-The legalization of marijuana is a bone of contention among lawmakers
-The right to mansion was the bone of contention among brothers squabbling over their fathers will
-Opposing views on cloning the extinct mammoths were the bone of contention for the scientists
Definition: something that people disagree over
Etymology: A reference to two dogs fighting over the same bone.
3)Eat humble pie
-Tim had to eat humble pie when movie critiques lombasted his movie
-The producers had to eat humble pie when people found out they had falsified facts about their product
-Daniel had to eat humble pie and admit that his company was not making money.
Definition: to act very humble when one is shown to be wrong
Etymology: The expression derives from umble pie, which was a pie filled with the chopped or minced parts of a beast's 'pluck' - the heart, liver, lungs or 'lights' and kidneys, especially of deer but often other meats which are considered inferior parts of the animal. Since in many parts of England, the "H" is dropped. humble and umble merged.