私達は川へ飛び込んだ。

私達は川へ飛び込んだ。

We plunged into the river.

私達(わたしたち)は川(かわ)へ飛(と)び込(こ)んだ。

Watashitachi wa kawa e tobikonda.

私たち (わたしたち、わたくしたち)

we; us

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

川 (かわ、がわ)

river; stream; the .... river; (suffix used with the names of rivers)

へ (へ)

indicates direction or goal (e.g. "to")

飛び込む (とびこむ)

to jump in; to leap in; to plunge into; to dive; to burst in; to barge in

Readings: シ、わたくし、わたし

Meanings: private, I, me

Readings: タツ、ダ、 -たち

Meanings: accomplished, reach, arrive, attain

Readings: セン、かわ

Meanings: stream, river, river or three-stroke river radical (no. 47)

Readings: ヒ、と.ぶ、と.ばす、 -と.ばす

Meanings: fly, skip (pages), scatter

Readings: -こ.む、こ.む、こ.み、 -こ.み、こ.める

Meanings: crowded, mixture, in bulk, included, (kokuji)