低沉 dīchén deep Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: downcast All meanings 4 dīchén 4 deep 2downcast 1overcast 1 1 sentence for 低沉 (dīchén — downcast) 试验失败后,他的情绪非常低沉。 shìyàn shībài hòu, tā de qíngxù fēicháng dīchén. He was in very low spirits after the experiment failed. Source: Dong Chinese Dictionary