frankly speaking
Francamente hablando, yo no estoy de acuerdo contigo.
Frankly speaking, I don't agree with you.
Francamente hablando, está equivocado.
Frankly speaking, he's wrong.
Francamente hablando, lo odio.
Frankly speaking, I hate it.
Francamente hablando, no quiero trabajar con él.
Frankly speaking, I don't want to work with him.
Francamente hablando, cometiste un error.
Frankly speaking, you made a mistake.