erklär's ihm

explain it to him

→ erklären
phrase Rare #39,881
explain it to him 's is a colloquial contraction of es. The imperative addresses one person informally.
GE: Erklär's ihm bitte noch einmal.
EN: Please explain it to him again.

Dann erklär's ihm langsam.

Then explain it to him slowly.

— 3 Idiots (2009)

Erklär's ihm.

Explain it to him.

— 3 Idiots (2009)

Geh hin und erklär's ihm ganz in Ruhe.

Go over there and explain it to him calmly.

— 3 Idiots (2009)

Gott, komm doch nach vorn und erklär's ihm!

God, come forward and explain it to him!

— PK - Andere Sterne, andere Sitten (2014)