精诚所加，金石为开

• 米(rice)RADICAL
• 青(green and pure; clear and clean)PHONO-SEMANTIC

Rice pounded clean and polished becomes pure and clear as the blue-green color of jade.

• 户(door; house)RADICAL
• 斤(axe)PHONETIC

A place is where a house door stands, using an axe to chop and erect a tree.

• 力(strength; power)RADICAL
• 口(mouth; speech)ASSOCIATIVE

Adding uses strength and words to increase.

• 金(gold; metal (figurative))ASSOCIATIVE

Metal is an ancient image of precious metal hidden underground, gleaming and sparkling.

• 為(do; act; work)ASSOCIATIVE

An ancient hand-drawn character depicts a hand leading an elephant to work, meaning 'to do' or 'for'.

• 一(one; horizontal line (barrier))ASSOCIATIVE
• 廾(two hands lift up)ASSOCIATIVE

Two hands push up the barrier together to open it.