Adolescence /ˌæd

behaviour UK , US behavior /bɪˈheɪ.vjə r / /-vjɚ/ noun [ U ]
Someone's behaviour is how they behave
Her behaviour is often appalling.
He was notorious for his violent and threatening behaviour.
childhood /ˈtʃaɪld.hʊd/ noun [ C or U ]
the time when someone is a child
She had an unhappy childhood.
Childhood is not always a happy time.
Compare boyhood ; girlhood
concept /ˈkɒn.sept/ /ˈkɑːn-/ noun [ C ]
1. a principle or idea
The very concept of free speech is unknown to them.
It is very difficult to define the concept of beauty.
I failed to grasp the film's central concept.
Kleenbrite is a whole new concept in toothpaste!
2. not have any concept/have no concept of sth
to not understand about something
I don't think you have any concept of the pain you have caused her.
consequence /ˈkɒn t  .sɪ.kwən t  s/ /ˈkɑːn t  -/ noun [ C ]
1. a result of a particular action or situation, often one which is bad or not convenient
Not making a will can have serious consequences for the people you might wish to benefit.
Scientists think it unlikely that any species will actually become extinct as a consequence of the oil spill.
I told the hairdresser to do what she wanted to my hair, and look at the consequences!
Well, if you insist on eating so much, you'll have to suffer/take (= accept and deal with) the consequences!
2. of little/no consequence ( also not of any/much consequence )
not important
The money was of little consequence to Tony.