原指伍春秋时子胥于吴市吹箫向人乞讨。后指沿街乞讨。
cf Wu Zixu 伍子胥, destitute refugee from Chu 楚, busked in Wu town c. 520 BC, then became a powerful politician; to beg while playing the xiao 箫 (mouth organ)
吹(chuī)
箫(xiāo)
乞(qǐ)
食(shí sì yì)