The phrase alludes to having many different skills or tools available to handle various situations. An effective teacher has a bag of tricks to engage students with different learning styles.
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Positive Skills
This phrase often implies that someone is skilled, creative, and resourceful, without deception involved. The programmer's bag of tricks helped her solve coding problems quickly.
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Metaphorical Bag
Remember it's a figurative bag, not a physical one. It represents a collection of methods or techniques. During negotiations, he reached into his bag of tricks to find the perfect argument.