Translation guide
Describes a person who is cruel, evil, or morally corrupt. Focuses on inner malice rather than just bad actions.
To describe someone whose character is fundamentally wicked or malevolent.
Literally 'black-bellied'. The most direct and common equivalent for 'black-hearted', implying a scheming, malicious nature hidden beneath a surface.
He's a black-hearted guy.
Means 'evil' or 'wicked'. A more general term for moral corruption, often used in serious or literary contexts.
He has a black heart.
Means 'crafty and malicious'. Emphasizes cunning and unscrupulousness, often in business or politics.
He took over the company by black-hearted means.
To describe someone who shows no warmth, gratitude, or empathy, often in personal relationships.
Means 'cold-hearted' or 'heartless'. Focuses on lack of compassion or loyalty, often used for someone who abandons others.
He's a black-hearted man.
Means 'cruel' or 'ruthless'. Implies a cold, calculating lack of mercy.
Literally 'like a demon'. Used to describe someone extremely cruel or heartless, often in emotional contexts.
He's a black-hearted person.
腹黒い implies hidden malice and scheming, often in everyday situations. 邪悪な is a stronger, more absolute term for evil, often used in fiction or serious accusations.
Do not translate 'black-hearted' literally as 黒い心 (kuroi kokoro). While understandable, it is not a natural expression. Use 腹黒い or other established terms.
She made a black-hearted decision.