To live on little money and spend it as fast as it comes in; live without saving for the future; have just enough.
Жить в плохих условиях, впроголодь; иметь мало денег - еле сводить концы с концами.
Mr. Johnson got very little pay, and the family lived from hand to mouth when he had no job.
The family was very poor and had to live from hand to mouth.
Семья была бедной, и им приходилось жить впроголодь.
The man has been living from hand to mouth for many years.
Мужчина еле сводил концы с концами на протяжении многих лет.
These Indians live from hand to mouth on berries, nuts, and roots.