見つけた、ひそかに監視した
解説 Definition
spied は spy の過去形・過去分詞です。人や物を「見つけた、目にした」という意味で使われるほか、秘密情報を探る活動をしたことを表します。「～をひそかに監視した」には通常 spied on ～ の形を使います。
Spied is the past-tense and past-participle form of spy. It can mean noticed or caught sight of someone or something. It can also refer to secretly gathering information; to mean secretly watched a particular person or organization, it normally appears as spied on.
覚え方のコツ Memory Tip
spied は spy の過去形・過去分詞です。語末の y を i に替えて -ed を付け、spied と綴ります。発音は /spaɪd/ の一音節です。「見つけた」なら spied a fox、「～をひそかに監視した」なら spied on someone の形で覚えましょう。
Spied is the past tense and past participle of spy. Apply the spelling rule for a consonant before final y: change y to i and add -ed, giving spied. It is pronounced /spaɪd/ as one syllable, rhyming with “tried.” Picture someone whose messages or documents have been secretly watched or examined. When describing the target of surveillance, English commonly uses spy on, so “She felt spied on” is more natural than using spied alone. This construction will help you remember both the passive meaning and the preposition typically required with it.
例文
I spied a fox at the edge of the woods.
私は森の端にキツネを見つけました。
They spied on the rival company for months.
彼らは数か月にわたって競合会社をひそかに監視しました。
She felt she was being spied on whenever she used the shared computer.
彼女は共有パソコンを使うたびに監視されているように感じました。
spied の類義語・関連語
spied の語源・成り立ち Etymology
spied は spy の語末の y を i に替えて -ed を付けた形です。spy は古フランス語 espier（こっそり見る）を経て英語に入り、ゲルマン語系の「見る」に関係する語に由来します。同じ語群に espionage（諜報活動）があります。
Spied is formed from spy by changing final y to i and adding -ed. Spy entered English through Old French espier, “to watch secretly,” a verb of Germanic origin related to looking or observing. The noun and verb later became closely associated with obtaining secret information. Espionage came through French from the same historical word group and preserves the idea of covert observation or intelligence gathering.
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