| покрываться/покрыться потомi: Nn1 у Ng2 покрылся потомi | N's2 N1 was covered with sweat |
NB Several nouns can be used as subjects of this expression, e.g. лицо "face," лоб "forehead," спина "back," шея "neck," всё тело "the whole body": | |
| Лоб у Петра Ивановича покрылся потом. | Pyotr Ivanovich's forehead broke out in a sweat. |