Translation guide
The English phrase "be replaced" is a passive construction. In Japanese, the passive voice is formed differently and is used less frequently than in English. This guide covers how to express the idea of something being replaced, focusing on natural Japanese equivalents rather than direct translation.
Expressing that one thing takes the place of another, often in a neutral or factual context.
This is a common passive pattern meaning 'to be replaced by' or 'to be superseded by'. It emphasizes that the subject is being replaced by something newer or better.
古いシステムは新しいシステムに取って代わられた。
The old system was replaced by the new system.
The passive form of 替える (to replace). Used when something is physically swapped out or substituted.
電池が替えられた。
The batteries were replaced.
Means 'to be exchanged' or 'to be replaced', often for parts, components, or items. More formal than 替えられる.
故障した部品が交換された。
The broken part was replaced.
Passive of 入れ替える, meaning to replace something by taking it out and putting something else in its place. Often used for contents or people.
メンバーが入れ替えられた。
The members were replaced.
Talking about someone being removed from a job, team, or role and another person taking over.
Passive of 代える, meaning to substitute a person. Often used when someone is replaced by another person, sometimes against their will.
彼は新しい社長に代えられた。
He was replaced by a new president.
A casual, indirect way to say someone was fired or replaced, literally 'to be beheaded'. Implies dismissal rather than simple replacement.
彼は仕事が遅くて首になった。
He was slow at his job and got replaced/fired.
Causative-passive of 交代する (to take turns), meaning to be forced to be replaced or relieved. Used in contexts like shifts or duties.
彼はその任務から交代させられた。
He was replaced on that duty.
Emphasizing that the replacement happens because the original is no longer usable or modern.
Intransitive verb meaning 'to become new' or 'to be renewed'. Often used when something is replaced with a newer version, focusing on the result rather than the action.
パソコンが新しくなった。
The computer was replaced (with a new one).
Passive of 取り替える, meaning to exchange or replace something, often because it is old or broken.
タイヤが取り替えられた。
The tires were replaced.
English often uses the passive voice ('be replaced'), but Japanese prefers active or intransitive constructions when the agent is unknown or unimportant. For example, instead of saying 'The window was replaced,' Japanese might say '窓が新しくなった' (The window became new).
These three verbs all mean 'to replace' but have different nuances. 替える (かえる) is for general exchange or substitution. 代える (かえる) is for substituting a person or role. 換える (かえる) is for exchanging money or equivalents. Their passive forms follow the same distinctions.