Translation guide
The English phrase "crossing over" can refer to physical movement across something, a transition or change, or a biological process. This guide helps you choose the right Japanese expression depending on the context.
Moving from one side of a physical barrier or boundary to the other, such as a bridge, road, river, or mountain.
The most common verb for crossing over a bridge, river, road, or similar linear obstacle. Focuses on the act of traversing.
橋を渡る。
Cross over the bridge.
道路を渡るときは気をつけて。
Be careful when crossing over the road.
Means to cross over a physical barrier like a mountain, fence, or wall, emphasizing going beyond or over the top. Also used for crossing borders or limits.
Formal or technical term for crossing over a wide area like a continent, ocean, or street. Often used in compound nouns like 横断歩道 (pedestrian crossing).
太平洋を横断する。
Cross over the Pacific Ocean.
Literally 'step over', used for physically stepping across a threshold or low barrier. More specific than 越える.
敷居を踏み越える。
Step over the threshold.
Changing from one condition, category, or allegiance to another, often figuratively.
General verb for moving or shifting from one place, state, or group to another. Can be used for crossing over to a new job, team, or phase.
新しい部署に移る。
Cross over to a new department.
話が別の話題に移った。
The conversation crossed over to another topic.
Specifically for crossing over from one mode of transport to another, or metaphorically switching sides or platforms.
Used for a significant change in ideology, belief, or allegiance, often with a nuance of conversion or defection.
敵側に転向する。
Cross over to the enemy side.
The exchange of genetic material between homologous chromosomes during meiosis.
The standard Japanese term for chromosomal crossing over in genetics. Often written in katakana as クロッシングオーバー as well.
減数分裂で乗換えが起こる。
Crossing over occurs during meiosis.
Katakana loanword directly from English, commonly used in scientific contexts.
クロッシングオーバーの頻度を調べる。
Investigate the frequency of crossing over.
渡る is used for crossing over flat, linear obstacles like bridges, rivers, and roads. 越える is used for crossing over vertical obstacles like mountains, fences, or walls, and also for exceeding limits. Do not use 渡る for mountains.
The English phrase 'crossing over' is often not translated literally. For example, 'crossing over to the dark side' might be 悪の道に走る (run to the path of evil) rather than a direct translation. Always consider the natural Japanese expression for the context.
電車を乗り換える。
Cross over to another train.
他党に乗り換える政治家もいる。
Some politicians cross over to other parties.