分解作用

• 八(divide; separate; eight)ASSOCIATIVE
• 刀(knife; blade; sword)RADICAL

Using a knife to chop something in half represents division or separation.

• 角(horn (animal))RADICAL
• 刀(blade; knife edge)ASSOCIATIVE
• 牛(cow; cattle)ASSOCIATIVE

Use a knife to separate horns from an ox — that's the meaning of "resolve" (to take apart, to decompose).

• 亻(person; people)RADICAL
• 乍(sudden; just beginning)PHONO-SEMANTIC

A person beginning to do something is the action of making or creating.

• 用(use; utilize)ASSOCIATIVE

A bucket with a handle is what people pick up and use every day.