子供のわがままがひどいの英語

He is a wilful child―a self-willed child.

to let one's children have their own way―indulge one's children―give a boy his head

to take the nonsense out of a boy

My children are allowed to have their own way

I let my children have their own way.

a willful child

Childish practical jokes

childish obduracy

a difficult child,

a truly spiteful child

A child tumbles on the floor.

a child who uses abusive language

The children are indulged in all their wishes―allowed to have their own way.

naughty things that children do

I let my children have their own way―indulge my children （in their wishes）

Boys are rude

an innocent child

Children bother me.

the child's doleful expression

an innocent child

a very troublesome child

to take the nonsense out of a boy

The child has dirtied its clothes.

It is a wilful child.

a son who is not very smart

a willful child

a simple mind

childish tantrums

an impudent child who is disliked by all

an innocent child