scrounge a living

例句：

1. 1. They scrounged for foodin the forest.
   他们在森林里寻找食物。
2. 2.He scrounged his way throughlife without much success.
   他勉强维持着生活，但并不成功。
3. 3. Thehomeless person scrounged for spare change from passersby.
   无家可归的人向过往行人乞讨零钱。