摩拳擦掌

1. • fig. to rub one's fists and wipe one's palms (idiom)
2. • to roll up one's sleeves for battle
3. • eager to get into action or start on a task

Character by character

• 摩(mó)rub
• 拳(quán)fist
• 擦(cā)rub
• 掌(zhǎng)palm of the hand