辐射强度

• 身(body; self)ASSOCIATIVE
• 寸(inch; hand; grasp)PHONO-SEMANTIC

A hand (寸) raising the body (身) to shoot an arrow is the action of archery.

• 弓(bow; archery weapon)RADICAL
• 厶(private; contract; withdraw)ASSOCIATIVE
• 虫(insect; worm)ASSOCIATIVE

A stubborn worm as tense as a drawn bowstring represents unyielding strength.

• 广(roof; broad eaves)RADICAL
• 廿(twenty; many times measure)ASSOCIATIVE
• 又(right hand; again; once more)ASSOCIATIVE

Under a roof, use your hand to measure back and forth many times to get accuracy.