English Idioms: Double-edged sword

English Idioms About “War”
Idiom: Double-edged sword
Meaning: A benefit that carries some significant but non-obvious cost or risk.
Example: Being a genius child is a double-edged sword because you cannot communicate with ordinary children.

English Idioms: Pass the hat around

English Idioms About “Clothes”
Idiom: Pass the hat around
Meaning: (Also pass the hat round) to collect money by asking people or organizations.
Example: They passed the hat round as they needed money to rebuild the poor neighbors’ house.