HSK C5/V5
Correct

/ bèi /
Strokes

Definition

lifetime/generation/group of people/class/classifier for generations/(literary) classifier for people

Example

As a Noun
people of a certain kind; the like; type
1
néng
无能
zhī
bèi

people without ability; incompetent people

2
bèi
我辈

people of my kind; people like me

As a Noun
generation (in the family)
3
men
他们
tóngbèi
同辈
  

They are of/belong to the same generation.

4
Lǎobèi
老一辈

older generation

As a Noun
lifetime; all one's life