what you say
You should be careful about what you say.
ถึงผมจะไม่ใช่ผู้พิพากษาแต่ผมก็รู้ว่าสิ่งที่คุณพูดมีประโยชน์มาก
Although I’m not a judge, I know that what you said is very useful.
— วิ่งสู้ฟัด (1985)
What you say is often true.
I don't understand what you're saying.