1 Russia

1 elder brother

1 Brothers!

2 brethren

3 dude (colloquial)

4 brother (diminutive form of address between males)

1 older brother

2 classifier: 个 gè

3 classifier: 位 wèi

1 eldest brother

2 big brother (polite address for a man of about the same age as oneself)

3 gang leader

4 boss

1 to be gravely mistaken (idiom)