Questions & Answers about Tôi rất mệt.
Approximate IPA transcription:
• Tôi /toj˧/ (mid‐level tone)
• rất /zɜt˧˥/ (high‐rising tone)
• mệt /mjɛt˨˩/ (low‐glottal tone)
Together: /toj˧ zɜt˧˥ mjɛt˨˩/.
In casual phonetic English you might hear “toy zut myet” with a rising tone on “zut” and a low, brief tone on “myet.”