• 足(foot; sole of foot)
• 易(change; easy)

Kicking a ball with your foot makes it easily change direction.

• 馬(horse (pictographic))

The character 馬 depicts a horse with a mane, body, and four hooves running swiftly.

• 朿(sharp thorn; prickle)
• 刂(knife (radical))

Using a knife to stab into a sharp thorn—that is the action of piercing.

• 足(foot; sole of foot)
• 易(change; easy)

Kicking a ball with your foot makes it easily change direction.

• 馬(horse (pictographic))

The character 馬 depicts a horse with a mane, body, and four hooves running swiftly.

• 朿(sharp thorn; prickle)
• 刂(knife (radical))

Using a knife to stab into a sharp thorn—that is the action of piercing.