my little brother doesn't untie his shoelaces

No se permiten palabras de ese largo
My little brother doesn't untie his shoelaces by himself yet.
Mi hermanito no se desata los cordones solo todavía.
My little brother doesn't untie his shoelaces when he takes his shoes off because he forgot how to tie them.
Mi hermanito no se desamarra los cordones cuando se saca los zapatos porque se le olvidó cómo amarrarlos.
Palabra del día
la garra