expression, noun
darkness of the heart; hidden depths of the mind
Refers to the hidden, often negative or troubled aspects of a person's psyche; used in psychological, literary, or dramatic contexts.
彼の心の闇が、あの事件の背景にあると言われている。
It is said that the darkness in his heart lies behind that incident.
expression, noun
parental anguish over a beloved child
Archaic sense; historically used to describe a parent's deep worry or distress about their child, often in classical or literary works.
古典文学では、「心の闇」が子を思う親の苦悩を表すことがある。
In classical literature, 心の闇 can express a parent's anguish over their child.