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Thai word

สี่

sìi

Low tone

How to pronounce สี่

High Low

Low tone

Low and flat, slightly falling at the end

สี่ is written sìi and carries the low tone. Listen first, then copy the pitch — in Thai the pitch belongs to the word the way a vowel does.

Same syllable, five tones

Thai uses pitch to tell words apart. Below is the same syllable on each of the five tones — nothing changes but the pitch. Say your word (highlighted) on one of the other four and a Thai listener hears a different word, or none at all.

  1. sii

    Mid tone

  2. sìi

    Low tone

    สี่
  3. sîi

    Falling tone

  4. sǐi

    Rising tone

  5. síi

    High tone

What does สี่ mean?

Translation

สี่ (sìi) means "四" in Thai.

Tone: Low tone Frequency: #18 neutral

Example sentences

ผมซื้อหนังสือสี่เล่มเมื่อวาน

pǒm súue nǎng-sʉ̌ʉ sìi lêm mûuea-waan

我昨天买了四本书。

ขอจองโต๊ะสำหรับสี่คนคืนนี้ได้ไหมครับ

khǎw jawng dtôo sǎm-ràp sìi khon khuuen níi dâai mǎi khráp

今晚可以预订一张四人桌吗?

Test yourself

One word from the same tone group. Its meaning is not on this page — see whether it stuck.

What does this word mean?

บาท

bàat

More words with the low tone — the same pitch shape, different words.

Learn more about Thai tones

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