live (from) hand to mouth
US /lɪv frəm hænd tə maʊθ/
UK /lɪv frəm hænd tə maʊθ/

1.
勉強糊口, 僅夠糊口
to have just enough money to live on and nothing extra
:
•
After losing his job, he had to live from hand to mouth.
失業後,他不得不勉強糊口。
•
Many families live from hand to mouth in developing countries.
許多發展中國家的家庭勉強糊口。