1 breast

2 udder

1 milk

2 lotion

3 emulsion

1 heart

2 mind

3 ambition

4 aspiration

1 mother's milk

1 variant: 胸 xiōng

1 smell of mother's milk not yet dried (idiom); immature and inexperienced

2 still wet behind the ears

1 narrow-minded (idiom); petty

2 ungenerous

1 to beat one's chest and stamp one's feet (idiom)

1 head high, chest out (idiom); to keep up one's spirits

2 in fine mettle (of animal)

1 righteous indignation fills one's breast (idiom); to feel indignant at injustice