Those children need a firm hand to make them
behave
. 那些孩子得严加管教。
She studied
behavioural
psychology at college. 她在大学学的是行为心理学。
I was always getting in trouble for
misbehaving
at school. 我总因在学校调皮捣蛋而惹上麻烦。
The school expelled him for persistent
misbehaviour
. 学校因其持续的不良行为将他开除。
The children are
well-behaved
and keen to learn. 这些孩子既规矩又好学。