Encara no tenim significats per a "confirm grumbler".
1I was a confirmed grumbler, too; but he never let me indulge my discontent.
2No doubt some of them were confirmed grumblers, and many of them had what Colonel Christie called 'unreasonable expectations.'
3Listen, you confirmed grumbler, you who make the evening meal hideous with complaints against destiny-forit is you I will single out.
4The most confirmed grumbler is compelled to admit that, bad as things now are, they were far worse a few generations back.