Word: 低谷 (dīgǔ) 低谷 dictionary entry dīgǔ valley; trough (as opposed to peaks); fig. low point; lowest ebb; nadir of one's fortunes Full dictionary entry for 低谷 Example sentences using 低谷 2 sentences, showing page 1 of 1. 他失业后，人生跌到了低谷。 Tā shīyè hòu, rénshēng diē dàole dīgǔ. After he lost his job, his life hit rock bottom. 每年二月是客流的低谷。 Měinián èryuè shì kèliú de dīgǔ. February is the trough in customer traffic every year.