两国相争，不斩来使

• 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.

• 囗(surround; enclose)RADICAL
• 玉(precious jade; gem)ASSOCIATIVE

A nation is enclosed land that contains precious treasures within.

• ⺈(nail; claw (scratching hand))ASSOCIATIVE
• 彐(hand; grasp; hold)ASSOCIATIVE
• 亅(hook; pull back)ASSOCIATIVE

Two hands pulling and jerking back and forth — that is the struggle to seize.

• 不(no; not; negation)ASSOCIATIVE

A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.

• 车(vehicle; cart)ASSOCIATIVE
• 斤(axe; hatchet)RADICAL

Chopping straight through like an axe cutting a wheel completely in two.

• 木(tree; plant; stick)ASSOCIATIVE
• 从(follow; accompany)ASSOCIATIVE

Wheat (a plant with a person beneath it) is something people bring, so this character means 'to come' or 'to arrive'.

• 亻(person; people)RADICAL
• 吏(official; command)PHONO-SEMANTIC

A person with the power to command others is an official.