Idioms - Court Interpreters actual exam questions and accurate answers verified guaranteed success Red herring Something that draws attention away from the main issue Red letter day important day Rule of thumb General guideline Run of the mill Ordinary Acid test An acid test is something that proves whether something is good, effective, etc, or not.Dark horse a political candidate who is not well known but could win unexpectedly Eager beaver Enthusiastic person Egg on one's face Humiliated, proved wrong about something Eat crow to admit one's mistake and apologize Fall by the wayside to drop out of a situationFair middling Average Salt of the earth A very dependable and unpretentious person Salt away to preserve Sell someone a bill of goods sell something that is worthless Shoot the breeze to chatSour grapes When a person criticizes something out of jealousy Sow wild oats to do foolish things Stuffed shirt A pompous, self-satisfied, and old-fashioned person. Take something in stride to accept or adjust to bad fortune take potluck take whatever is availableTalk turkey discuss frankly, often in a business context Talk a blue streak Talk long and fast Tall order something difficult to do Throw down the gauntlet to