適宜

1. Origins, structure, and basic meaning

• Structure: 適宜(てきぎ) modifies an action to indicate appropriate judgment for the circumstances.
• Basic usage: Instructions use it to leave choices such as where to add notes or when to rest to the needs of the situation.

2. Common pitfalls and similar expressions

• The scope of discretion
  • 適宜メモを書き込む means adding suitable notes where needed. It suggests a choice suited to the purpose and circumstances rather than acting arbitrarily.
• Compared with 随時
  • 随時(ずいじ) focuses on timing not confined to fixed occasions; 適宜 focuses on choosing appropriately for the situation. Those focuses can overlap when choosing when to take a break.