沉沉 (chén chén) — heavy, sinking (of objects or weight); deep, gloomy, oppressive (of atmosphere or mood); deep and muffled (of sound)

Definition

Examples

• 他背着沉沉的背包，一步一步往前走。
  Tā bēi zhe chén chén de bēi bāo, yí bù yí bù wǎng qián zǒu.
  He carried the heavy backpack and walked forward step by step.
• 夜深了，窗外沉沉的夜色让人感到宁静。
  Yè shēn le, chuāng wài chén chén de yè sè ràng rén gǎn dào níng jìng.
  It was late at night; the deep night outside made people feel peaceful.
• 远处传来沉沉的雷声，暴雨就要来了。
  Yuǎn chù chuán lái chén chén de léi shēng, bào yǔ jiù yào lái le.
  The deep rumble of thunder came from afar; a heavy rain was about to come.