Translation of "Superficially" in Spanish

The corpse was placed quite carelessly and very superficially at the edge of

El cadáver fue colocado con bastante descuido y muy superficialmente al borde de

Whatever you do, do it to the purpose; do it thoroughly, not superficially. Go to the bottom of things. Any thing half done, or half known, is in my mind, neither done nor known at all. Nay, worse, for it often misleads.

Hagas lo que hagas, hazlo con un propósito; hazlo a fondo, no superficialmente. Ve al fondo de las cosas. Cualquier cosa a medio hacer, o medio conocida, en mi mente es, ni hecha ni conocida en absoluto. No, lo que es peor, porque a menudo confunde.