le expliqué

I explained to him/her

→ le
phrase Rare #34,317
I explained to him/her Uses the indirect object pronoun le. The person being explained to is often stated with a to-phrase as well.
SP: Le expliqué la idea a mi hermana.
EN: I explained the idea to my sister.

Le expliqué las reglas.

I explained the rules to him.

Le expliqué el procedimiento.

I explained the procedure to him.

Le expliqué la situación a Alfredo.

I explained the situation to Alfredo.

— Cinema Paradiso (1988)

Le expliqué a él ese asunto.

I explained that matter to him.

Yo le expliqué el proceso a él.

I explained the process to him.

Le expliqué el proceso.

I explained the process to him.

Ya le expliqué todo.

I already explained everything to him.

— Sympathy for Mr. Vengeance (2002)

Le expliqué a ella de lo que se trataba.

I explained to her what it was about.