See "the apple of your eye".

Word decomposition

Palm explanation: palm, foot: palm. Palm. The soles of your feet Applause. This is a piece of cake. Fan your mouth: Fan your mouth. Responsible: responsible. Seize power. Cooking. Something under a shopkeeper's sole or an animal's hoof: a sole. Horseshoe. Anecdotal stories about historical figures, laws and regulations, etc. Or pearl's explanation. The substances secreted by mussels due to the stimulation of sand entering the shell are wrapped in layers, forming round particles, which are milky white or yellowish and shiny. They can be used as decorations or medicines. Commonly known as "pearl" (also known as "true pearl" or "pearl" for short): pearl mussel. Jewelry. Zhu Hua. Night pearl Zhu Ji (a beautiful word)