两虎相斗，必有一伤

• 一(one; top)RADICAL
• 冂(frame; border; surround)ASSOCIATIVE
• 从(two people walking together)ASSOCIATIVE

Two people standing together in a frame symbolize the number two, a pair.

• 虍(tiger head (radical))RADICAL
• 几(small table; kneeling leg)ASSOCIATIVE

A tiger in majestic pose crouches on a low table, ready to pounce on its prey.

• 斗(ladle for wine (pictographic))ASSOCIATIVE

A ladle with a handle used for scooping wine or measuring grain in ancient times.

• 心(heart; mind)RADICAL
• 丿(stroke passing through)ASSOCIATIVE

A stroke piercing straight through the heart is what must inevitably happen.

• 月(moon; flesh (iconic representation))RADICAL
• 又(right hand; again)ASSOCIATIVE

A hand holding a piece of meat — that is 'to have'.

• 一(first; number one (pictographic))ASSOCIATIVE

A single horizontal stroke symbolizes the number one, the beginning of all things.

• 亻(person; human; people)RADICAL
• 力(strength; force)ASSOCIATIVE

A person attacked with force gets injured.