崩す

1. Origins, structure, and basic meaning

• Structure: 崩す is read as くずす and is a transitive verb for breaking down a structure or changing a large-denomination note into smaller money.
• Basic usage: Mark the object with を in both 塔を崩す and 千円札を崩す, letting context determine the result.

2. Common pitfalls and similar expressions

• Intransitive and transitive forms
  • 崩れる describes something collapsing, while 崩す presents an agent causing the form or denomination to change.
• Changing a banknote
  • 千円札を崩す means getting change of equal value, not physically damaging the banknote.