Translation guide
The English word 'heartbeat' can refer to the physical pulse, the sound of the heart, or be used metaphorically for the vital center of something. This guide covers natural Japanese expressions for each meaning.
Referring to the physiological heartbeat, a single pulsation, or the rhythm of the heart.
Medical/technical term for heartbeat as a physiological event. Used in contexts like heart rate or fetal heartbeat.
心拍数を測る。
Measure the heart rate.
胎児の心拍が確認できた。
The fetal heartbeat was confirmed.
Refers to the beating or throbbing of the heart, often with a sense of life, emotion, or physical sensation. Common in literary or emotional contexts.
胸に手を当てると、心臓の鼓動を感じた。
When I put my hand on my chest, I felt my heartbeat.
彼の鼓動が速くなった。
His heartbeat quickened.
Literally 'sound of the heart'. Used when focusing on the audible heartbeat sound.
医者が聴診器で心臓の音を聞いた。
The doctor listened to the heartbeat with a stethoscope.
Pulse; often used interchangeably with heartbeat in medical contexts, but specifically refers to the arterial pulse.
脈拍が弱い。
The heartbeat/pulse is weak.
Describing something as the heartbeat of an organization, city, etc., meaning the central, most active, or essential part.
Pattern meaning 'the center of ~'. Natural way to express the core or hub of something.
この地区は街の鼓動する中心地だ。
This district is the beating heart of the city.
市場は経済の中心だ。
The market is the heartbeat of the economy.
Literally 'lifeline'. Used metaphorically for something essential to survival or functioning, similar to 'heartbeat' in some contexts.
Describing the sensation of one's heart beating fast due to emotion, excitement, or nervousness.
Onomatopoeic phrase for the sound/feeling of a pounding heart from excitement, nervousness, or anticipation. Very common in casual and spoken Japanese.
告白する前はドキドキした。
My heart was pounding before I confessed.
彼を見るとドキドキする。
My heart beats fast when I see him.
Literally 'chest rings high'. Describes a thrilling, excited heartbeat, often from anticipation or joy. More literary/emotional than ドキドキ.
冒険の始まりに胸が高鳴った。
My heart beat fast at the start of the adventure.
Onomatopoeic for a loud, violent heartbeat from fear, shock, or extreme exertion. Stronger than ドキドキ.
ホラー映画を見て心臓がバクバクした。
My heart was pounding after watching the horror movie.
鼓動 (こどう) is the general term for the beating of the heart, often used in emotional or literary contexts. 心拍 (しんぱく) is the medical/technical term for a heartbeat as a physiological event, used in phrases like 心拍数 (heart rate).
When using 'heartbeat' metaphorically (e.g., 'the heartbeat of the city'), do not translate directly as 心拍 or 鼓動. Use 中心 (ちゅうしん) or other context-appropriate terms.
自分の鼓動が感じられた。
I could feel my heartbeat.
医者は赤ちゃんの心拍を確認した。
The doctor checked the baby's heartbeat.
街の鼓動は決して止まらない。
The city's heartbeat never stops.
観光はこの島の生命線だ。
Tourism is the heartbeat of this island.
Driving force; can be used when 'heartbeat' implies the motivating power behind something.
中小企業が経済の原動力だ。
Small businesses are the heartbeat of the economy.