1 (informal) grandma (paternal grandmother)

2 (respectful) mistress of the house

3 classifier: 位 wèi

4 (coll.) boobies

5 breasts

1 cow's milk

2 classifier: 瓶 píng

3 classifier: 杯 bēi

1 mistress

2 second wife

3 lover

1 mask (surgical etc)

1 to suck the breast (for milk)

1 lit. whoever provides milk is your mother (idiom)

2 fig. to follow whoever is feeding you

3 to put one's loyalties where one's interests lie

1 lit. to beg grandpa and call on grandma (idiom)

2 fig. to go about begging for help