guilty, at fault, to blame
sorry, my fault, excuse me
guilty-looking, sheepish, apologetic
Мальчик, открутивший кран, стоял мокрый и виноватый.
The boy who had turned on the tap stood there, wet and looking guilty.
Мальчик, пожёгший все спички, стоял с виноватым видом.
The boy who had burned all the matches stood there looking guilty.
Мальчик, искрошивший весь хлеб на столе, виновато молчал.
The boy who had crumbled all the bread onto the table stood silently, looking guilty.