Tā yī'érzàizài'érsān de fàn tóngyàng de cuòwù, shízài ràng rén shīwàng.
He makes the same mistake over and over again - it's really disappointing.
Tips
memory
Literal parse: '(going) from one to two, then from two to three' - a step-by-step escalation of repetition. Almost always used negatively, for repeat offenses or tested patience.
