Japanese · Pronunciation Guide
ta-i-he-n, four beats — separate opening vowels and a closing beat of hum.
taihen
Four beats, and English delivers the word in two syllables — one because it fuses the opening vowels, one because it treats the nasal as a consonant. Fixing both roughly doubles the length.
Listen: 大変
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今日の仕事は大変でした。
Kyou no shigoto wa taihen deshita.
Work was tough today.
Listen: 今日の仕事は大変でした。
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今日の仕事は大変でした ends with でした, where the shi devoices between voiceless sounds so the ending sounds close to "desh-ta." Before that, 仕事 gives three even beats. The sentence closes on whispered vowels after 大変's clear ones.
"tie-HEN" collapses the first two morae and the last one. Separate ta and i into distinct pulses, and hum the ん for a full count. The h also needs softening — English pushes far more air, which makes the middle of the word sound emphatic.