se lo explicaré

I’ll explain it to him

→ se
phrase Uncommon #16,359
I’ll explain it to him Depending on context, “se” can mean “to him,” “to her,” “to you” (formal), or “to them.” “Lo” can mean “it” or “him.”
SP: No te preocupes; se lo explicaré mañana.
EN: Don’t worry; I’ll explain it to him tomorrow.

Se lo explicaré.

I'll explain it to you.

— Утомлённые солнцем (1994)

Se lo explicaré a él.

I'll explain it to him.

Ahora se lo explicaré.

I'll explain it to you now.

— Ирония судьбы, или С легким паром! (1976)

Si me deja entrar, se lo explicaré.

If he lets me in, I’ll explain it to him.

— Suspiria: Alarido (1977)

Yo se lo explicaré.

I'll explain it to you.

Se lo explicaré mediante un ejemplo.

I will explain it to you with an example.

— Brigadas rojas (2008)

Pues lo va a pensar en mi oficina y se lo explicaré en privado.

Well, he'll think about it in my office and I'll explain it to him privately.

— Dos son familia (2016)

Más adelante se lo explicaré.

I’ll explain it to him/her later.

Se lo explicaré todo.

I'll explain everything to you.

Se lo explicaré a ella.

I'll explain it to her.