自分・じぶん (reflexive, subject-bound)

• 読み: じぶん
• ローマ字: jibun
• 形: Subject + は/が + ... + 自分 + (で/に/の/を) + ...
• 漢字の分解: 自 — self, oneself; 分 — portion, part, segment

意味

A reflexive pronoun that refers back to a human subject, where the referent is determined by grammatical structure rather than the speaker's empathy. It binds to the syntactic subject of the clause.

In this second usage, 自分 is bound to the subject of the sentence based on syntactic rules rather than the speaker's empathetic viewpoint. This is the more straightforward reflexive use, parallel to English 'oneself.' In simple sentences with a single subject, 自分 unambiguously refers back to that subject. This usage is common in instructions, general statements, and formal writing where the subject-referent relationship is clear from structure alone. When combined with particles like で (by oneself), に (to/for oneself), or の (one's own), it forms productive patterns for expressing self-directed or independent actions. The distinction between this usage and the empathy-based usage is subtle and primarily matters in complex sentences with multiple clauses.

例文

1. 学生はみんな自分のノートを持ってきた。
2. 自分に厳しくするのは大切です。
3. 社員は自分の仕事に責任を持つべきだ。

使い方ガイド

場面: spoken, written, everyday

トーン: descriptive

正しい言い方

• 自分の体は自分で守るしかない。
• 人はみんな自分の人生を生きている。
• 自分に正直に生きたい。

避ける言い方

• 自分が行きます。(Using 自分 as a first-person pronoun in standard speech sounds stiff — use 私 unless in military or dialectal contexts) → 私が行きます。
• 彼女は自分は頭がいいと思っている。(Using both 自分 and は in this position is awkward — use 自分が or rephrase) → 彼女は自分が頭がいいと思っている。

起源と歴史

Same etymological origin as 自分 (1). This grammatically-bound reflexive usage became more clearly distinguished in modern Japanese linguistic analysis, particularly through research on long-distance binding phenomena.

文化的背景

世代: All ages

社会的背景: Universal