u najmanju ruku

1. at least; at the very least
   Mogao je u najmanju ruku da me pozove pre nego što je otišao. — He could at least have called me before he left.
   Treba ti u najmanju ruku mesec dana za to. — You need at least a month for that.
2. (before an assessment) to say the least
   Njegovo ponašanje je bilo u najmanju ruku čudno. — His behaviour was strange, to say the least.