純粋

1. Origins, structure, and basic meaning

• Structure: Written 純粋 and read じゅんすい, it means free from admixture or, of motives, innocent and unmixed.
• Basic usage: It can describe purified water and a question arising from sheer curiosity.

2. Common pitfalls and similar expressions

• Material and moral purity
  • Context separates chemical purity from sincerity of intention.