Translation guide
The mythical multi-headed serpent-like monster from Greek mythology, known for regrowing two heads when one is cut off. In Japanese, it is usually referred to by its Greek name in katakana, or described using native terms for multi-headed serpents.
Referring to the Hydra of Greek mythology, the multi-headed serpent slain by Heracles.
The standard katakana rendering of the Greek name 'Hydra'. Used in most contexts when discussing the mythological creature.
ヘラクレスはヒュドラを退治した。
Heracles defeated the Hydra.
An alternative katakana spelling, closer to the English pronunciation. Less common than ヒュドラ but still understood.
ヒドラはギリシャ神話の怪物だ。
The Hydra is a monster from Greek mythology.
A descriptive phrase meaning 'multi-headed serpent'. Used in explanatory contexts rather than as a proper name.
ヒュドラは多頭の蛇として描かれる。
The Hydra is depicted as a multi-headed serpent.
Describing a problem that seems to grow worse or multiply when you try to solve it, like cutting off one head of the Hydra only to have two more grow back.
A direct metaphor: 'a Hydra-like problem'. Commonly understood in Japanese due to familiarity with the myth.
その組織の腐敗はヒュドラのような問題だ。
The corruption in that organization is a Hydra-like problem.
A descriptive phrase: 'When you solve one problem, even more problems arise.' Captures the essence of the Hydra metaphor without using the name.
このプロジェクトは、一つの問題を解決すると、さらに多くの問題が生じる。まるでヒュドラだ。
With this project, when you solve one problem, even more problems arise. It's just like a Hydra.
Referring to the small freshwater cnidarians of the genus Hydra, known for their regenerative abilities.
The standard biological term for the genus Hydra, written in katakana. Note that in biology, ヒドラ is more common than ヒュドラ.
ヒドラは淡水に生息する小さな生物だ。
Hydra are small organisms that live in fresh water.
ヒュドラ is the more common rendering for the mythological monster, reflecting the original Greek pronunciation. ヒドラ is used for the biological genus and sometimes as an alternative spelling for the monster, influenced by English. In most contexts, ヒュドラ is preferred for mythology.
神話ではヒュドラ、生物学ではヒドラと使い分けることが多い。
In mythology, ヒュドラ is often used, while in biology, ヒドラ is used.
A Japanese idiom meaning 'a never-ending back-and-forth' or 'a futile repetitive struggle'. It can be used for situations where efforts to solve a problem are met with recurring or multiplying issues, similar to the Hydra metaphor, though it lacks the specific 'multiplying' nuance.
違法サイトを閉鎖しても、新しいサイトが次々と現れる。まさにいたちごっこだ。
Even if you shut down illegal sites, new ones keep appearing one after another. It's a never-ending struggle.