彼らは敵をびっくりさせる計画を思いついた。

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彼ら びっくりさせる 計画 思いついた

English Translation

They conceived a plan to surprise the enemy.

Furigana

(かれ)らは(てき)をびっくりさせる計画(けいかく)(おも)いついた。

Romanji

Karera wa teki o bikkurisaseru keikaku o omoitsuita.

Words

彼ら (かれら)
they (usually male); them
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
(てき)
opponent; rival; adversary; menace; danger; threat; enemy
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
吃驚 (びっくり、ビックリ)
to be surprised; to be amazed; to be frightened; to be astonished; to get startled; to jump; surprise (e.g. surprise party)
計画 (けいかく)
plan; project; schedule; scheme; program; programme
思い付く (おもいつく)
to think of; to hit upon; to come into one's mind; to be struck with an idea

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: テキ、 かたき、 あだ、 かな.う
Meanings: enemy, foe, opponent
Readings: ケイ、 はか.る、 はか.らう
Meanings: plot, plan, scheme, measure
Readings: ガ、 カク、 エ、 カイ、 えが.く、 かく.する、 かぎ.る、 はかりごと、 はか.る
Meanings: brush-stroke, picture
Readings: シ、 おも.う、 おもえら.く、 おぼ.す
Meaning: think