1 office workers (as social group)

1 husband's older brother

2 brother-in-law

1 family

2 clan

1 race

2 nationality

3 ethnicity

4 clan

5 by extension, social group (e.g. office workers 上班族)

1 nationality

2 ethnic group

3 classifier: 个 gè

1 lit. unable to distinguish eldest brother from second brother (idiom); they are all equally excellent

2 nothing to choose between them

1 lit. there are many swift horses, but very few who can spot them (idiom)

2 fig. many have talent, but few can recognize talent when they see it

1 offspring a famous family (idiom); good breeding

2 blue blood