Curious in Thai

“Curious” in Thai is อยากรู้yàak rúu; you'll also hear สงสัยsǒng-sǎi (wonder, suspect).

อยากรู้ yàak rúu

to want to know; curious verb

yàak low
rúu high

Low: flat and lower than your normal voice, dropping a little at the end.
High: start high and go a little higher, a bit tense; don’t let it fall.

สงสัย sǒng-sǎi

to wonder, to have a question; to suspect verb

sǒng rising
sǎi rising

Rising: start low, dip, then rise to the top, like a doubtful “Really?”

You'll hear it in Bad Boy (ทรงอย่างแบด).

How to use it

อยากรู้yàak rúu, "want to know", is plain curiosity. สงสัยsǒng-sǎi is wondering or doubting: teachers ask มีอะไรสงสัยไหมmii à-rai sǒng-sǎi mǎi, any questions?, and in conversation it often means "I suspect": สงสัยฝนจะตกsǒng-sǎi fǒn jà dtòk, looks like rain. Someone nosy is เผือกpùeak in slang, literally "taro".