姉は楽しそうに口笛を吹いていた。

Sentence Analyzer

楽しそう 口笛 吹いていた

English Translation

My sister was whistling merrily.

Furigana

(あね)(たの)しそうに口笛(くちぶえ)()いていた。

Romanji

Ane wa tanoshisō ni kuchibue o fuiteita.

Words

(あね)
older sister; elder sister
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
()
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
口笛 (くちぶえ)
whistle
()
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.
吹く (ふく)
to blow (e.g. wind); to play a wind instrument; to emit; to spout; to whistle; to laugh; to burst into laughter; to smelt; to mint; to brag; to talk big

Kanji

Readings: シ、 あね、 はは
Meaning: elder sister
Readings: ガク、 ラク、 ゴウ、 たの.しい、 たの.しむ、 この.む
Meanings: music, comfort, ease
Readings: コウ、 ク、 くち
Meaning: mouth
Readings: テキ、 ふえ
Meanings: flute, clarinet, pipe, whistle, bagpipe, piccolo
Readings: スイ、 ふ.く
Meanings: blow, breathe, puff, emit, smoke