沿门求乞: beg from door to door; from door to door to seek one's living by asking for charity
度日: subsist (in hardship); eke out an existence; spend [pass] the day; make a living 短语和例子靠救济度日 live on relief; 辛苦度日 eke out a living [one's livelihood]; 解放前他靠吃野薯度日。 before liberation he subsi