Japanese · Pronunciation Guide
o-wa-ru, three even beats — the w compresses the lips rather than pushing them forward.
owaru
Pitch falls away after the first mora; length stays constant across all three. Because the first two morae are both back-rounded-ish sounds, they can blur into a single stretched "ow" if you're not careful. Articulating the w clearly is what keeps them as two beats.
Listen: 終わる
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宿題が終わりました。
Shukudai ga owarimashita.
I finished my homework.
Listen: 宿題が終わりました。
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
宿題が終わりました opens with 宿題 (shu-ku-da-i), where the ku between voiceless consonants routinely drops out of voice, so the word can sound like "shk'dai." Then 終わりました gives six fully voiced morae. The sentence swings from maximum devoicing to none at all in six words' worth of sound.
The English version of this comes out as "oh-WAH-roo": a diphthong on the first vowel, English stress and length on the second, and a rounded rhotic ending. Freeze the o, compress rather than protrude the lips for the w, level the emphasis, tap once, and spread the lips for the final u. The word should sound light and quick, not rolling.