Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
shallow [ˈʃæləu] adj (water) ме́лкий#; (box) неглубо́кий#; (breathing, also fig) пове́рхностный*пове́рхностен
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: