The job was finished at a sitting (a stretch).

这工作一下子（一口气）就做完了。

He simply loves to hear his own voice. Often he talks for hours at a stretch.

他就爱听自己的声音，经常说起来一说几个小时。

It isn't easy to be inspired in that spontaneous way for long periods at a stretch. Even Schubert was more successful in handling the shorter forms of music.

要长时间连续不断地获得自发的灵感不容易，就是舒伯特也是短形式的音乐方面更为成功。