彼は背筋を伸ばして座っていた。

Sentence Analyzer

背筋 伸ばして 座っていた

English Translation

He was sitting up straight.

Furigana

(かれ)背筋(せすじ)()ばして(すわ)っていた。

Romanji

Kare wa sesuji o nobashite suwatteita.

Words

(かれ)
he; him; his; boyfriend
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
背筋 (せすじ、はいきん)
the muscles along the spine; dorsal muscles; spinal column; seam in the back; back seam
()
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.
伸ばす (のばす)
to grow long (e.g. hair, nails); to lengthen; to extend; to stretch; to reach out; to hold out; to straighten; to smooth out; to spread evenly (dough, cream, etc.); to dilute; to thin out; to postpone; to prolong; to strengthen; to develop; to expand
座る (すわる)
to sit; to squat; to assume (a position); to hold steady; to hold still

Kanji

Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Readings: ハイ、 せ、 せい、 そむ.く、 そむ.ける
Meanings: stature, height, back, behind, disobey, defy, go back on, rebel
Readings: キン、 すじ
Meanings: muscle, sinew, tendon, fiber, plot, plan, descent
Readings: シン、 の.びる、 の.ばす、 の.べる、 の.す
Meanings: expand, stretch, extend, lengthen, increase
Readings: ザ、 すわ.る
Meanings: squat, seat, cushion, gathering, sit