Idiom: "(to) live from hand to mouth"
Definition:
to not have enough money to survive
Examples:
1) Chris is working at McDonalds earning minimum wage. He is really living from hand to mouth.
2) He just got fired from his job. They are really going to be living from hand to mouth until he finds a new one.
中文解释：http://www.youzienglish.com/main/idiom_of_the_day/120/cn/
