可压缩

• 口(mouth; opening)RADICAL
• 丁(man; adult male)PHONETIC

A mouth uttering words of approval with a sound like "ding" gives you the character meaning "can" or "able."

• 厂(rock face; eaves)RADICAL
• 土(earth; soil; ground)ASSOCIATIVE
• 丶(small dot; weight)ASSOCIATIVE

A rock wall pressing down on the earth like a heavy object applying pressure from above.

• 糹(silk thread; fiber)RADICAL
• 宿(rest; withdraw)PHONO-SEMANTIC

A thread shrinks and pulls back like a person curling up to rest at night.