fly in the ointment in Russian
fly in the ointment in Russian
ло́жка дёгтя
(idiomatic) Something (especially a minor thing) which ruins or spoils everything else, or makes it less pleasant; a nuisance or problem; a disagreeable or unpleasant detail.
ло́жка дёгтя в бо́чке мёда
(idiomatic) Something (especially a minor thing) which ruins or spoils everything else, or makes it less pleasant; a nuisance or problem; a disagreeable or unpleasant detail.