❶sing to one’s own accompaniment ❷do sth all by oneself ❍ 别的人都走了，我只好～，没有法子呀！ Since all the others have left,I’ve got to do it all by myself. It can’t be helped.
自拉自唱zì lā zì chànɡ
自己拉琴，自己唱歌。形容自吹自擂。second one’s own motion, do sth. all by oneself, accompany one’s own singing