xiàn rù yán zhòng de yì yù

sink into acute depression

The phrase 'sink into acute depression' is used to describe a state where a person experiences a deep and severe level of sadness or hopelessness. In Chinese, this is expressed as '陷入严重的抑郁', where '陷入' means to sink into, '严重的' means acute or severe, and '抑郁' refers to depression. This term is often used in discussions about mental health and emotional struggles.