吃奶的力气

• 口(mouth; opening)RADICAL
• 乞(beg for food; ask for food)PHONETIC

An open mouth asking for food is the daily act of eating and drinking.

• 女(woman; female)RADICAL
• 乃(then; also (suggests 'nãi'))PHONO-SEMANTIC

Grandmother and mother's milk attach to the woman radical, sounding like "nãi" similar to the character 乃.

• 白(white; bright)RADICAL
• 勺(spoon)PHONETIC

A spoon catching sunlight shines brightly and clearly — the character means "of" or shows clarity and definiteness.

• 力(strength; muscle)ASSOCIATIVE

The character 力 depicts a flexed arm muscle, symbolizing strength and power.

• 气(vapor; gas; steam)ASSOCIATIVE

The character depicts wisps of vapor rising upward, symbolizing invisible atmospheric air.