if you say so
Yes, if you say so.
Well, if you say so.
Claro, si tú lo dices será verdad, confío en tu criterio.
Sure, if you say so it must be true, I trust your judgment.
Bueno, si tú lo dices, te creo.
Well, if you say so, I believe you.
Vale, si tú lo dices, te creo, pero me parece raro.
Okay, if you say so, I believe you, but it seems strange to me.
Bueno, si tú lo dices, lo acepto.
Well, if you say so, I accept it.