にする

1. Origins, structure, and basic meaning

• Structure: Add にする to the selected noun to express deciding on an option.
• Basic usage: 飲み物は温かいお茶にした。 means choosing hot tea as the drink.

2. Common pitfalls and similar expressions

• The selected option and the action
  • お茶にする describes deciding on tea, while お茶を飲む describes actually drinking it. Use に for the selected option.
• Choosing an item and deciding on an action
  • 魚料理にする chooses a menu item, while 魚を焼くことにする decides on an action. Use こと to package a verb-based action before connecting it.