お互い仇同士だ。

お互い仇同士だ。

They are bitter enemies.

お互(たが)い仇(きゅう)同士(どうし)だ。

Otagai kyū dōshi da.

お互い (おたがい)

mutual; reciprocal; each other

仇 (あだ、あた、あたん)

foe; enemy; rival; resentment; enmity; grudge; harm; injury

同士 (どうし、どし)

fellow; mutual; companion; comrade

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Readings: ゴ、たが.い、かたみ.に

Meanings: mutually, reciprocally, together

Readings: キュウ、グ、あだ、あた、かたき、つれあい

Meanings: foe, enemy, revenge, grudge, feud

Readings: ドウ、おな.じ

Meanings: same, agree, equal

Readings: シ、さむらい

Meanings: gentleman, samurai, samurai radical (no. 33)