Japanese · Pronunciation Guide
a-shi-ta, three beats — and the middle vowel usually devoices, so it can sound like "ash-ta."
ashita
The crest is on the first, and the three units are cut identically. The middle beat is frequently voiceless, but it still occupies its full share of time — a native あした has an audible gap of hiss between two clear vowels rather than two syllables jammed together.
Listen: 明日
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また明日会いましょう。
Mata ashita aimashou.
See you tomorrow.
Listen: また明日会いましょう。
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
また明日会いましょう ends with 会いましょう, five morae with a vowel pair at the start (a-i) and a long o at the end (sho-o). So after the whispered middle of 明日, the sentence asks for both a vowel separation and a vowel extension in the same word.
Two habits collide: learners voice the shi fully, producing "a-SHEE-ta" with a stressed middle, or they overcorrect and drop the beat entirely, saying "ashta" in two counts. The target keeps three beats with the middle one whispered. Also match the two a vowels — English wants to weaken the second.