Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
under [ˈʌndər] adv (go, fly etc) вниз
prep (position) под +instr (motion) под +acc (less than, in price) ни́же +gen (according to, law, agreement etc) по +dat (during, sb's leadership) при +prp (in age)
children under 16 де́ти до 16-ти лет
from under sth из-под чего́-н
under there там внизу́
in under 2 hours ме́ньше, чем за 2 часа́
under anaesthetic под нарко́зом
under discussion в проце́ссе обсужде́ния
under repair в ремо́нте
under the circumstances при сложи́вшихся обстоя́тельствах
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
under- [ˈʌndər]
prefix недо- * is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: