English English Dictionary
- difficult to control in English:
1. 
wayward
He was a wayward kid.
wayward thoughts; wayward emotions; wayward behavior
a wayward toddler / adolescent
Diane brushed a wayward strand of hair off her face.
English word "difficult to control"(wayward) occurs in sets:
Charlemagne - The end of Monnet2. 
unruly
Susan has two noisy and unruly sons of 6 and 8.
The farmer was patient with the unruly horse.
Underneath the calm exterior lurk unruly instincts and urges are struggling to escape
Teachers are often unable to control unruly behaviour in class
... also hot, huge and unruly, made up of 17,000 islands,...
If you describe people, especially children, as unruly, you mean that they behave badly and are difficult to control
The restraining role that the community once played is losing its force as adults become reluctant to reprimand other people's unruly children.
