Definition
To have barely enough money to survive, with no extra for savings or luxuries.
勉強維生，僅足糊口
Due to the high unemployment rate, many families are now living from hand to mouth.
由於高失業率，許多家庭現在只能勉強糊口。
She works several part-time jobs but still lives from hand to mouth.
她做了幾份兼職工作，但仍然只能勉強糊口。
The farmers in this region have been living from hand to mouth due to consecutive years of drought.
由於連年乾旱，這個地區的農民一直只能勉強糊口。