思春期

1. Origins, structure, and basic meaning

• Structure: 思春期 (ししゅんき) is a noun for adolescence, the developmental period of major physical and psychological change.
• Basic usage: 思春期には違いが気になる marks the period when differences may become salient, while 思春期の兄妹 modifies the developmental stage of siblings in a story.

2. Common pitfalls and similar expressions

• General stage and character setting
  • 思春期には describes a possible general experience, whereas 思春期の兄妹 restricts specific characters. The term should not be fixed to one exact age.