Japanese · Pronunciation Guide
tsu-ki, two beats — a genuine affricate at the front, with the u often whispered to nothing.
tsuki
Two slots, both short, with the pitch high on the first. Almost the whole word can go voiceless in fast speech, which makes it a good reminder that the beats are being counted internally by the speaker even when there's very little to hear.
Listen: 月
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今夜は月がきれいです。
Konya wa tsuki ga kirei desu.
The moon is beautiful tonight.
Listen: 今夜は月がきれいです。
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
今夜は月がきれいです pairs it with きれい, whose final "ei" is pronounced as a long e — so the sentence closes on a held vowel after opening with an affricate. 今夜 (ko-n-ya) also contributes a nasal beat, with the ん sitting awkwardly before a y-glide.
"TSOO-kee" splits or over-voices the affricate, rounds the u, and lengthens the final i. All three shrink toward nothing in natural speech. Keep the ts as one release, spread the lips, and clip the ki. English speakers also tend to aspirate the k here, which makes the word sound percussive.