**Rule: Understanding Idiomatic Expressions.** The idiom 'by hook or by crook' means to achieve something by any possible means, not caring if the methods are honest or dishonest. It implies a strong determination to succeed, regardless of the morality of the methods used. Option (c) is the correct definition. Option (b) represents only one half of the possibilities. Option (a) is a literal misinterpretation. Option (d) is the opposite of determination.

**Rule: Understanding Idiomatic Expressions.** A 'wild goose chase' is a pointless and fruitless search or pursuit. Searching for 'data that didn't exist' is a perfect example of a hopeless task. Option (c) is the correct definition. Option (a) and (d) are the opposite. Option (b) is a literal interpretation.

**Rule: Understanding Idiomatic Expressions.** The idiom 'can't make head or tail of something' means to be completely unable to understand it. It is used to express confusion. Option (b) is the correct definition. Options (a) and (d) are the opposite. Option (c) is a literal misinterpretation.

**Rule: Understanding Idiomatic Expressions.** The idiom 'heart and soul' means to do something with a great deal of passion, commitment, and energy. It implies total dedication. Option (a) is the correct definition. Options (b) and (c) suggest a lack of dedication. Option (d) is an incorrect interpretation.

**Rule: Understanding Idiomatic Expressions.** The idiom 'have a soft spot for someone' means to be particularly fond of them and to treat them with more leniency than others. Always forgiving someone's mistakes is a clear sign of such fondness. Option (c) is the correct definition. Option (a) is a literal misinterpretation. Options (b) and (d) are the opposite.

**Rule: Understanding Idiomatic Expressions.** The idiom 'in the doghouse' means to be in trouble with someone, typically a spouse or partner, because of something you have done wrong. Forgetting an anniversary is a classic reason to be in the doghouse. Option (a) is the correct definition. Option (b) is a literal interpretation. Options (c) and (d) are the opposite of being in trouble.

**Rule: Understanding Idiomatic Expressions.** The idiom 'raining cats and dogs' is a hyperbole used to mean that it is raining very hard. The suggestion to cancel a picnic supports the idea of heavy rain. Option (b) is the correct definition. Option (a) is a literal and impossible interpretation. Options (c) and (d) describe weather that would be suitable for a picnic.

**Rule: Understanding Idiomatic Expressions.** The idiom 'blow one's own trumpet' means to boast proudly about one's own accomplishments. Winning an award is an accomplishment one might boast about. Option (c) is the correct definition. Option (a) is a literal interpretation. Option (b) and (d) are the opposite of boasting.

**Rule: Understanding Idiomatic Expressions.** The idiom 'take someone for a ride' means to trick, cheat, or deceive them. Losing 'all his savings' because of a business partner's actions strongly implies deception. Option (c) is the correct definition. Options (a) and (b) are literal, positive interpretations. Option (d) is the opposite of being cheated.

**Rule: Understanding Idiomatic Expressions.** The idiom 'eat humble pie' means to admit one's error and behave humbly, especially after being proven wrong. Having to 'apologize to everyone' after being caught in a lie is a clear act of eating humble pie. Option (b) is the correct definition. Option (a) is a literal misinterpretation. Options (c) and (d) are the opposite of taking responsibility.